20896800400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{3671}}^1$

素因数の和:3822

約数の個数: 240

約数和(自身を含む): 60977525760

約数和(自身を除く): 40080725360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 107, 112, 133, 140, 152, 175, 190, 200, 214, 266, 280, 304, 350, 380, 400, 428, 475, 532, 535, 560, 665, 700, 749, 760, 856, 950, 1064, 1070, 1330, 1400, 1498, 1520, 1712, 1900, 2033, 2128, 2140, 2660, 2675, 2800, 2996, 3325, 3671, 3745, 3800, 4066, 4280, 5320, 5350, 5992, 6650, 7342, 7490, 7600, 8132, 8560, 10165, 10640, 10700, 11984, 13300, 14231, 14684, 14980, 16264, 18355, 18725, 20330, 21400, 25697, 26600, 28462, 29368, 29960, 32528, 36710, 37450, 40660, 42800, 50825, 51394, 53200, 56924, 58736, 59920, 69749, 71155, 73420, 74900, 81320, 91775, 101650, 102788, 113848, 128485, 139498, 142310, 146840, 149800, 162640, 183550, 203300, 205576, 227696, 256970, 278996, 284620, 293680, 299600, 348745, 355775, 367100, 392797, 406600, 411152, 488243, 513940, 557992, 569240, 642425, 697490, 711550, 734200, 785594, 813200, 976486, 1027880, 1115984, 1138480, 1284850, 1394980, 1423100, 1468400, 1571188, 1743725, 1952972, 1963985, 2055760, 2441215, 2569700, 2749579, 2789960, 2846200, 3142376, 3487450, 3905944, 3927970, 4882430, 5139400, 5499158, 5579920, 5692400, 6284752, 6974900, 7463143, 7811888, 7855940, 9764860, 9819925, 10278800, 10998316, 12206075, 13747895, 13949800, 14926286, 15711880, 19529720, 19639850, 21996632, 24412150, 27495790, 27899600, 29852572, 31423760, 37315715, 39059440, 39279700, 43993264, 48824300, 52242001, 54991580, 59705144, 68739475, 74631430, 78559400, 97648600, 104484002, 109983160, 119410288, 137478950, 149262860, 157118800, 186578575, 195297200, 208968004, 219966320, 261210005, 274957900, 298525720, 373157150, 417936008, 522420010, 549915800, 597051440, 746314300, 835872016, 1044840020, 1099831600, 1306050025, 1492628600, 2089680040, 2612100050, 2985257200, 4179360080, 5224200100, 10448400200, 20896800400]

約数ペア:

[(1, 20896800400), (2, 10448400200), (4, 5224200100), (5, 4179360080), (7, 2985257200), (8, 2612100050), (10, 2089680040), (14, 1492628600), (16, 1306050025), (19, 1099831600), (20, 1044840020), (25, 835872016), (28, 746314300), (35, 597051440), (38, 549915800), (40, 522420010), (50, 417936008), (56, 373157150), (70, 298525720), (76, 274957900), (80, 261210005), (95, 219966320), (100, 208968004), (107, 195297200), (112, 186578575), (133, 157118800), (140, 149262860), (152, 137478950), (175, 119410288), (190, 109983160), (200, 104484002), (214, 97648600), (266, 78559400), (280, 74631430), (304, 68739475), (350, 59705144), (380, 54991580), (400, 52242001), (428, 48824300), (475, 43993264), (532, 39279700), (535, 39059440), (560, 37315715), (665, 31423760), (700, 29852572), (749, 27899600), (760, 27495790), (856, 24412150), (950, 21996632), (1064, 19639850), (1070, 19529720), (1330, 15711880), (1400, 14926286), (1498, 13949800), (1520, 13747895), (1712, 12206075), (1900, 10998316), (2033, 10278800), (2128, 9819925), (2140, 9764860), (2660, 7855940), (2675, 7811888), (2800, 7463143), (2996, 6974900), (3325, 6284752), (3671, 5692400), (3745, 5579920), (3800, 5499158), (4066, 5139400), (4280, 4882430), (5320, 3927970), (5350, 3905944), (5992, 3487450), (6650, 3142376), (7342, 2846200), (7490, 2789960), (7600, 2749579), (8132, 2569700), (8560, 2441215), (10165, 2055760), (10640, 1963985), (10700, 1952972), (11984, 1743725), (13300, 1571188), (14231, 1468400), (14684, 1423100), (14980, 1394980), (16264, 1284850), (18355, 1138480), (18725, 1115984), (20330, 1027880), (21400, 976486), (25697, 813200), (26600, 785594), (28462, 734200), (29368, 711550), (29960, 697490), (32528, 642425), (36710, 569240), (37450, 557992), (40660, 513940), (42800, 488243), (50825, 411152), (51394, 406600), (53200, 392797), (56924, 367100), (58736, 355775), (59920, 348745), (69749, 299600), (71155, 293680), (73420, 284620), (74900, 278996), (81320, 256970), (91775, 227696), (101650, 205576), (102788, 203300), (113848, 183550), (128485, 162640), (139498, 149800), (142310, 146840)]