1221408370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1580

約数の個数: 128

約数和(自身を含む): 2891427840

約数和(自身を除く): 1670019470

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 31, 35, 58, 62, 65, 70, 91, 130, 145, 155, 182, 203, 217, 290, 310, 377, 403, 406, 434, 455, 754, 806, 899, 910, 1015, 1085, 1493, 1798, 1885, 2015, 2030, 2170, 2639, 2821, 2986, 3770, 4030, 4495, 5278, 5642, 6293, 7465, 8990, 10451, 11687, 12586, 13195, 14105, 14930, 19409, 20902, 23374, 26390, 28210, 31465, 38818, 43297, 46283, 52255, 58435, 62930, 81809, 86594, 92566, 97045, 104510, 116870, 135863, 163618, 194090, 216485, 231415, 271726, 303079, 323981, 409045, 432970, 462830, 562861, 601679, 606158, 647962, 679315, 818090, 1125722, 1203358, 1342207, 1358630, 1515395, 1619905, 2684414, 2814305, 3008395, 3030790, 3239810, 3940027, 4211753, 5628610, 6016790, 6711035, 7880054, 8423506, 9395449, 13422070, 17448691, 18790898, 19700135, 21058765, 34897382, 39400270, 42117530, 46977245, 87243455, 93954490, 122140837, 174486910, 244281674, 610704185, 1221408370]

約数ペア:

[(1, 1221408370), (2, 610704185), (5, 244281674), (7, 174486910), (10, 122140837), (13, 93954490), (14, 87243455), (26, 46977245), (29, 42117530), (31, 39400270), (35, 34897382), (58, 21058765), (62, 19700135), (65, 18790898), (70, 17448691), (91, 13422070), (130, 9395449), (145, 8423506), (155, 7880054), (182, 6711035), (203, 6016790), (217, 5628610), (290, 4211753), (310, 3940027), (377, 3239810), (403, 3030790), (406, 3008395), (434, 2814305), (455, 2684414), (754, 1619905), (806, 1515395), (899, 1358630), (910, 1342207), (1015, 1203358), (1085, 1125722), (1493, 818090), (1798, 679315), (1885, 647962), (2015, 606158), (2030, 601679), (2170, 562861), (2639, 462830), (2821, 432970), (2986, 409045), (3770, 323981), (4030, 303079), (4495, 271726), (5278, 231415), (5642, 216485), (6293, 194090), (7465, 163618), (8990, 135863), (10451, 116870), (11687, 104510), (12586, 97045), (13195, 92566), (14105, 86594), (14930, 81809), (19409, 62930), (20902, 58435), (23374, 52255), (26390, 46283), (28210, 43297), (31465, 38818)]