920808875

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 1399157760

約数和(自身を除く): 478348885

約数列:

[1, 5, 7, 19, 25, 35, 95, 97, 125, 133, 175, 475, 485, 571, 665, 679, 875, 1843, 2375, 2425, 2855, 3325, 3395, 3997, 9215, 10849, 12125, 12901, 14275, 16625, 16975, 19985, 46075, 54245, 55387, 64505, 71375, 75943, 84875, 99925, 230375, 271225, 276935, 322525, 379715, 387709, 499625, 1052353, 1356125, 1384675, 1612625, 1898575, 1938545, 5261765, 6923375, 7366471, 9492875, 9692725, 26308825, 36832355, 48463625, 131544125, 184161775, 920808875]

約数ペア:

[(1, 920808875), (5, 184161775), (7, 131544125), (19, 48463625), (25, 36832355), (35, 26308825), (95, 9692725), (97, 9492875), (125, 7366471), (133, 6923375), (175, 5261765), (475, 1938545), (485, 1898575), (571, 1612625), (665, 1384675), (679, 1356125), (875, 1052353), (1843, 499625), (2375, 387709), (2425, 379715), (2855, 322525), (3325, 276935), (3395, 271225), (3997, 230375), (9215, 99925), (10849, 84875), (12125, 75943), (12901, 71375), (14275, 64505), (16625, 55387), (16975, 54245), (19985, 46075)]