490631300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3637}}^1$

素因数の和:3741

約数の個数: 72

約数和(自身を含む): 1136802240

約数和(自身を除く): 646170940

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 475, 710, 950, 1349, 1420, 1775, 1900, 2698, 3550, 3637, 5396, 6745, 7100, 7274, 13490, 14548, 18185, 26980, 33725, 36370, 67450, 69103, 72740, 90925, 134900, 138206, 181850, 258227, 276412, 345515, 363700, 516454, 691030, 1032908, 1291135, 1382060, 1727575, 2582270, 3455150, 4906313, 5164540, 6455675, 6910300, 9812626, 12911350, 19625252, 24531565, 25822700, 49063130, 98126260, 122657825, 245315650, 490631300]

約数ペア:

[(1, 490631300), (2, 245315650), (4, 122657825), (5, 98126260), (10, 49063130), (19, 25822700), (20, 24531565), (25, 19625252), (38, 12911350), (50, 9812626), (71, 6910300), (76, 6455675), (95, 5164540), (100, 4906313), (142, 3455150), (190, 2582270), (284, 1727575), (355, 1382060), (380, 1291135), (475, 1032908), (710, 691030), (950, 516454), (1349, 363700), (1420, 345515), (1775, 276412), (1900, 258227), (2698, 181850), (3550, 138206), (3637, 134900), (5396, 90925), (6745, 72740), (7100, 69103), (7274, 67450), (13490, 36370), (14548, 33725), (18185, 26980)]