254920281420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3865943}}^1$

素因数の和:3866119

約数の個数: 96

約数和(自身を含む): 820940940288

約数和(自身を除く): 566020658868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 471, 628, 785, 942, 1099, 1570, 1884, 2198, 2355, 3140, 3297, 4396, 4710, 5495, 6594, 9420, 10990, 13188, 16485, 21980, 32970, 65940, 3865943, 7731886, 11597829, 15463772, 19329715, 23195658, 27061601, 38659430, 46391316, 54123202, 57989145, 77318860, 81184803, 108246404, 115978290, 135308005, 162369606, 231956580, 270616010, 324739212, 405924015, 541232020, 606953051, 811848030, 1213906102, 1623696060, 1820859153, 2427812204, 3034765255, 3641718306, 4248671357, 6069530510, 7283436612, 8497342714, 9104295765, 12139061020, 12746014071, 16994685428, 18208591530, 21243356785, 25492028142, 36417183060, 42486713570, 50984056284, 63730070355, 84973427140, 127460140710, 254920281420]

約数ペア:

[(1, 254920281420), (2, 127460140710), (3, 84973427140), (4, 63730070355), (5, 50984056284), (6, 42486713570), (7, 36417183060), (10, 25492028142), (12, 21243356785), (14, 18208591530), (15, 16994685428), (20, 12746014071), (21, 12139061020), (28, 9104295765), (30, 8497342714), (35, 7283436612), (42, 6069530510), (60, 4248671357), (70, 3641718306), (84, 3034765255), (105, 2427812204), (140, 1820859153), (157, 1623696060), (210, 1213906102), (314, 811848030), (420, 606953051), (471, 541232020), (628, 405924015), (785, 324739212), (942, 270616010), (1099, 231956580), (1570, 162369606), (1884, 135308005), (2198, 115978290), (2355, 108246404), (3140, 81184803), (3297, 77318860), (4396, 57989145), (4710, 54123202), (5495, 46391316), (6594, 38659430), (9420, 27061601), (10990, 23195658), (13188, 19329715), (16485, 15463772), (21980, 11597829), (32970, 7731886), (65940, 3865943)]