2912663125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 4102686720

約数和(自身を除く): 1190023595

約数列:

[1, 5, 17, 25, 31, 37, 85, 125, 155, 185, 239, 425, 527, 625, 629, 775, 925, 1147, 1195, 2125, 2635, 3145, 3875, 4063, 4625, 5735, 5975, 7409, 8843, 10625, 13175, 15725, 19375, 19499, 20315, 23125, 28675, 29875, 37045, 44215, 65875, 78625, 97495, 101575, 125953, 143375, 149375, 150331, 185225, 221075, 274133, 329375, 393125, 487475, 507875, 629765, 716875, 751655, 926125, 1105375, 1370665, 2437375, 2539375, 3148825, 3758275, 4630625, 4660261, 5526875, 6853325, 12186875, 15744125, 18791375, 23301305, 34266625, 78720625, 93956875, 116506525, 171333125, 582532625, 2912663125]

約数ペア:

[(1, 2912663125), (5, 582532625), (17, 171333125), (25, 116506525), (31, 93956875), (37, 78720625), (85, 34266625), (125, 23301305), (155, 18791375), (185, 15744125), (239, 12186875), (425, 6853325), (527, 5526875), (625, 4660261), (629, 4630625), (775, 3758275), (925, 3148825), (1147, 2539375), (1195, 2437375), (2125, 1370665), (2635, 1105375), (3145, 926125), (3875, 751655), (4063, 716875), (4625, 629765), (5735, 507875), (5975, 487475), (7409, 393125), (8843, 329375), (10625, 274133), (13175, 221075), (15725, 185225), (19375, 150331), (19499, 149375), (20315, 143375), (23125, 125953), (28675, 101575), (29875, 97495), (37045, 78625), (44215, 65875)]