900011840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1065

約数の個数: 224

約数和(自身を含む): 2725545984

約数和(自身を除く): 1825534144

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 520, 560, 620, 728, 806, 832, 868, 910, 992, 997, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1820, 1984, 1994, 2015, 2080, 2170, 2240, 2480, 2821, 2912, 3224, 3472, 3640, 3988, 4030, 4160, 4340, 4960, 4985, 5642, 5824, 6448, 6944, 6979, 7280, 7976, 8060, 8680, 9920, 9970, 11284, 12896, 12961, 13888, 13958, 14105, 14560, 15952, 16120, 17360, 19940, 22568, 25792, 25922, 27916, 28210, 29120, 30907, 31904, 32240, 34720, 34895, 39880, 45136, 51844, 55832, 56420, 61814, 63808, 64480, 64805, 69440, 69790, 79760, 90272, 90727, 103688, 111664, 112840, 123628, 128960, 129610, 139580, 154535, 159520, 180544, 181454, 207376, 216349, 223328, 225680, 247256, 259220, 279160, 309070, 319040, 362908, 401791, 414752, 432698, 446656, 451360, 453635, 494512, 518440, 558320, 618140, 725816, 803582, 829504, 865396, 902720, 907270, 989024, 1036880, 1081745, 1116640, 1236280, 1451632, 1607164, 1730792, 1814540, 1978048, 2008955, 2073760, 2163490, 2233280, 2472560, 2812537, 2903264, 3214328, 3461584, 3629080, 4017910, 4147520, 4326980, 4945120, 5625074, 5806528, 6428656, 6923168, 7258160, 8035820, 8653960, 9890240, 11250148, 12857312, 13846336, 14062685, 14516320, 16071640, 17307920, 22500296, 25714624, 28125370, 29032640, 32143280, 34615840, 45000592, 56250740, 64286560, 69231680, 90001184, 112501480, 128573120, 180002368, 225002960, 450005920, 900011840]

約数ペア:

[(1, 900011840), (2, 450005920), (4, 225002960), (5, 180002368), (7, 128573120), (8, 112501480), (10, 90001184), (13, 69231680), (14, 64286560), (16, 56250740), (20, 45000592), (26, 34615840), (28, 32143280), (31, 29032640), (32, 28125370), (35, 25714624), (40, 22500296), (52, 17307920), (56, 16071640), (62, 14516320), (64, 14062685), (65, 13846336), (70, 12857312), (80, 11250148), (91, 9890240), (104, 8653960), (112, 8035820), (124, 7258160), (130, 6923168), (140, 6428656), (155, 5806528), (160, 5625074), (182, 4945120), (208, 4326980), (217, 4147520), (224, 4017910), (248, 3629080), (260, 3461584), (280, 3214328), (310, 2903264), (320, 2812537), (364, 2472560), (403, 2233280), (416, 2163490), (434, 2073760), (448, 2008955), (455, 1978048), (496, 1814540), (520, 1730792), (560, 1607164), (620, 1451632), (728, 1236280), (806, 1116640), (832, 1081745), (868, 1036880), (910, 989024), (992, 907270), (997, 902720), (1040, 865396), (1085, 829504), (1120, 803582), (1240, 725816), (1456, 618140), (1612, 558320), (1736, 518440), (1820, 494512), (1984, 453635), (1994, 451360), (2015, 446656), (2080, 432698), (2170, 414752), (2240, 401791), (2480, 362908), (2821, 319040), (2912, 309070), (3224, 279160), (3472, 259220), (3640, 247256), (3988, 225680), (4030, 223328), (4160, 216349), (4340, 207376), (4960, 181454), (4985, 180544), (5642, 159520), (5824, 154535), (6448, 139580), (6944, 129610), (6979, 128960), (7280, 123628), (7976, 112840), (8060, 111664), (8680, 103688), (9920, 90727), (9970, 90272), (11284, 79760), (12896, 69790), (12961, 69440), (13888, 64805), (13958, 64480), (14105, 63808), (14560, 61814), (15952, 56420), (16120, 55832), (17360, 51844), (19940, 45136), (22568, 39880), (25792, 34895), (25922, 34720), (27916, 32240), (28210, 31904), (29120, 30907)]