1317500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 60

約数和(自身を含む): 3148992

約数和(自身を除く): 1831492

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 125, 155, 170, 250, 310, 340, 425, 500, 527, 620, 625, 775, 850, 1054, 1250, 1550, 1700, 2108, 2125, 2500, 2635, 3100, 3875, 4250, 5270, 7750, 8500, 10540, 10625, 13175, 15500, 19375, 21250, 26350, 38750, 42500, 52700, 65875, 77500, 131750, 263500, 329375, 658750, 1317500]

約数ペア:

[(1, 1317500), (2, 658750), (4, 329375), (5, 263500), (10, 131750), (17, 77500), (20, 65875), (25, 52700), (31, 42500), (34, 38750), (50, 26350), (62, 21250), (68, 19375), (85, 15500), (100, 13175), (124, 10625), (125, 10540), (155, 8500), (170, 7750), (250, 5270), (310, 4250), (340, 3875), (425, 3100), (500, 2635), (527, 2500), (620, 2125), (625, 2108), (775, 1700), (850, 1550), (1054, 1250)]