551240450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{5009}}^1$

素因数の和:5123

約数の個数: 48

約数和(自身を含む): 1073502720

約数和(自身を除く): 522262270

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 310, 355, 710, 775, 1550, 1775, 2201, 3550, 4402, 5009, 10018, 11005, 22010, 25045, 50090, 55025, 110050, 125225, 155279, 250450, 310558, 355639, 711278, 776395, 1552790, 1778195, 3556390, 3881975, 7763950, 8890975, 11024809, 17781950, 22049618, 55124045, 110248090, 275620225, 551240450]

約数ペア:

[(1, 551240450), (2, 275620225), (5, 110248090), (10, 55124045), (25, 22049618), (31, 17781950), (50, 11024809), (62, 8890975), (71, 7763950), (142, 3881975), (155, 3556390), (310, 1778195), (355, 1552790), (710, 776395), (775, 711278), (1550, 355639), (1775, 310558), (2201, 250450), (3550, 155279), (4402, 125225), (5009, 110050), (10018, 55025), (11005, 50090), (22010, 25045)]