291213391970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2179}}^1\times {\mathrm{9907}}^1$

素因数の和:12183

約数の個数: 64

約数和(自身を含む): 559857484800

約数和(自身を除く): 268644092830

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2179, 2698, 4358, 6745, 9907, 10895, 13490, 19814, 21790, 41401, 49535, 82802, 99070, 154709, 188233, 207005, 309418, 376466, 414010, 703397, 773545, 941165, 1406794, 1547090, 1882330, 2939471, 3516985, 5878942, 7033970, 13364543, 14697355, 21587353, 26729086, 29394710, 43174706, 66822715, 107936765, 133645430, 215873530, 410159707, 820319414, 1532702063, 2050798535, 3065404126, 4101597070, 7663510315, 15327020630, 29121339197, 58242678394, 145606695985, 291213391970]

約数ペア:

[(1, 291213391970), (2, 145606695985), (5, 58242678394), (10, 29121339197), (19, 15327020630), (38, 7663510315), (71, 4101597070), (95, 3065404126), (142, 2050798535), (190, 1532702063), (355, 820319414), (710, 410159707), (1349, 215873530), (2179, 133645430), (2698, 107936765), (4358, 66822715), (6745, 43174706), (9907, 29394710), (10895, 26729086), (13490, 21587353), (19814, 14697355), (21790, 13364543), (41401, 7033970), (49535, 5878942), (82802, 3516985), (99070, 2939471), (154709, 1882330), (188233, 1547090), (207005, 1406794), (309418, 941165), (376466, 773545), (414010, 703397)]