217283430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 256

約数和(自身を含む): 696729600

約数和(自身を除く): 479446170

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 59, 65, 70, 71, 78, 91, 95, 105, 114, 118, 130, 133, 142, 177, 182, 190, 195, 210, 213, 247, 266, 273, 285, 295, 354, 355, 390, 399, 413, 426, 455, 494, 497, 546, 570, 590, 665, 710, 741, 767, 798, 826, 885, 910, 923, 994, 1065, 1121, 1235, 1239, 1330, 1349, 1365, 1482, 1491, 1534, 1729, 1770, 1846, 1995, 2065, 2130, 2242, 2301, 2470, 2478, 2485, 2698, 2730, 2769, 2982, 3363, 3458, 3705, 3835, 3990, 4047, 4130, 4189, 4602, 4615, 4970, 5187, 5369, 5538, 5605, 6195, 6461, 6726, 6745, 7410, 7455, 7670, 7847, 8094, 8378, 8645, 9230, 9443, 10374, 10738, 11210, 11505, 12390, 12567, 12922, 13490, 13845, 14573, 14910, 15694, 16107, 16815, 17290, 17537, 18886, 19383, 20235, 20945, 23010, 23541, 25134, 25935, 26845, 27690, 28329, 29146, 29323, 32214, 32305, 33630, 35074, 38766, 39235, 40470, 41890, 43719, 47082, 47215, 51870, 52611, 53690, 54457, 56658, 58646, 62835, 64610, 72865, 78470, 79591, 80535, 87438, 87685, 87969, 94430, 96915, 102011, 105222, 108914, 117705, 122759, 125670, 141645, 145730, 146615, 159182, 161070, 163371, 175370, 175938, 193830, 204022, 218595, 235410, 238773, 245518, 263055, 272285, 283290, 293230, 306033, 326742, 368277, 381199, 397955, 437190, 439845, 477546, 510055, 526110, 544570, 557137, 612066, 613795, 736554, 762398, 795910, 816855, 879690, 1020110, 1034683, 1114274, 1143597, 1193865, 1227590, 1530165, 1633710, 1671411, 1841385, 1905995, 2069366, 2287194, 2387730, 2785685, 3060330, 3104049, 3342822, 3682770, 3811990, 5173415, 5571370, 5717985, 6208098, 7242781, 8357055, 10346830, 11435970, 14485562, 15520245, 16714110, 21728343, 31040490, 36213905, 43456686, 72427810, 108641715, 217283430]

約数ペア:

[(1, 217283430), (2, 108641715), (3, 72427810), (5, 43456686), (6, 36213905), (7, 31040490), (10, 21728343), (13, 16714110), (14, 15520245), (15, 14485562), (19, 11435970), (21, 10346830), (26, 8357055), (30, 7242781), (35, 6208098), (38, 5717985), (39, 5571370), (42, 5173415), (57, 3811990), (59, 3682770), (65, 3342822), (70, 3104049), (71, 3060330), (78, 2785685), (91, 2387730), (95, 2287194), (105, 2069366), (114, 1905995), (118, 1841385), (130, 1671411), (133, 1633710), (142, 1530165), (177, 1227590), (182, 1193865), (190, 1143597), (195, 1114274), (210, 1034683), (213, 1020110), (247, 879690), (266, 816855), (273, 795910), (285, 762398), (295, 736554), (354, 613795), (355, 612066), (390, 557137), (399, 544570), (413, 526110), (426, 510055), (455, 477546), (494, 439845), (497, 437190), (546, 397955), (570, 381199), (590, 368277), (665, 326742), (710, 306033), (741, 293230), (767, 283290), (798, 272285), (826, 263055), (885, 245518), (910, 238773), (923, 235410), (994, 218595), (1065, 204022), (1121, 193830), (1235, 175938), (1239, 175370), (1330, 163371), (1349, 161070), (1365, 159182), (1482, 146615), (1491, 145730), (1534, 141645), (1729, 125670), (1770, 122759), (1846, 117705), (1995, 108914), (2065, 105222), (2130, 102011), (2242, 96915), (2301, 94430), (2470, 87969), (2478, 87685), (2485, 87438), (2698, 80535), (2730, 79591), (2769, 78470), (2982, 72865), (3363, 64610), (3458, 62835), (3705, 58646), (3835, 56658), (3990, 54457), (4047, 53690), (4130, 52611), (4189, 51870), (4602, 47215), (4615, 47082), (4970, 43719), (5187, 41890), (5369, 40470), (5538, 39235), (5605, 38766), (6195, 35074), (6461, 33630), (6726, 32305), (6745, 32214), (7410, 29323), (7455, 29146), (7670, 28329), (7847, 27690), (8094, 26845), (8378, 25935), (8645, 25134), (9230, 23541), (9443, 23010), (10374, 20945), (10738, 20235), (11210, 19383), (11505, 18886), (12390, 17537), (12567, 17290), (12922, 16815), (13490, 16107), (13845, 15694), (14573, 14910)]