631835990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 1213056000

約数和(自身を除く): 581220010

約数列:

[1, 2, 5, 10, 23, 46, 103, 115, 149, 179, 206, 230, 298, 358, 515, 745, 895, 1030, 1490, 1790, 2369, 3427, 4117, 4738, 6854, 8234, 11845, 15347, 17135, 18437, 20585, 23690, 26671, 30694, 34270, 36874, 41170, 53342, 76735, 92185, 133355, 153470, 184370, 266710, 352981, 424051, 613433, 705962, 848102, 1226866, 1764905, 2120255, 2747113, 3067165, 3529810, 4240510, 5494226, 6134330, 13735565, 27471130, 63183599, 126367198, 315917995, 631835990]

約数ペア:

[(1, 631835990), (2, 315917995), (5, 126367198), (10, 63183599), (23, 27471130), (46, 13735565), (103, 6134330), (115, 5494226), (149, 4240510), (179, 3529810), (206, 3067165), (230, 2747113), (298, 2120255), (358, 1764905), (515, 1226866), (745, 848102), (895, 705962), (1030, 613433), (1490, 424051), (1790, 352981), (2369, 266710), (3427, 184370), (4117, 153470), (4738, 133355), (6854, 92185), (8234, 76735), (11845, 53342), (15347, 41170), (17135, 36874), (18437, 34270), (20585, 30694), (23690, 26671)]