22397500

素因数分解:

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

素因数の和:89

約数の個数: 90

約数和(自身を含む): 53707808

約数和(自身を除く): 31310308

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 125, 155, 170, 250, 289, 310, 340, 425, 500, 527, 578, 620, 625, 775, 850, 1054, 1156, 1250, 1445, 1550, 1700, 2108, 2125, 2500, 2635, 2890, 3100, 3875, 4250, 5270, 5780, 7225, 7750, 8500, 8959, 10540, 10625, 13175, 14450, 15500, 17918, 19375, 21250, 26350, 28900, 35836, 36125, 38750, 42500, 44795, 52700, 65875, 72250, 77500, 89590, 131750, 144500, 179180, 180625, 223975, 263500, 329375, 361250, 447950, 658750, 722500, 895900, 1119875, 1317500, 2239750, 4479500, 5599375, 11198750, 22397500]

約数ペア:

[(1, 22397500), (2, 11198750), (4, 5599375), (5, 4479500), (10, 2239750), (17, 1317500), (20, 1119875), (25, 895900), (31, 722500), (34, 658750), (50, 447950), (62, 361250), (68, 329375), (85, 263500), (100, 223975), (124, 180625), (125, 179180), (155, 144500), (170, 131750), (250, 89590), (289, 77500), (310, 72250), (340, 65875), (425, 52700), (500, 44795), (527, 42500), (578, 38750), (620, 36125), (625, 35836), (775, 28900), (850, 26350), (1054, 21250), (1156, 19375), (1250, 17918), (1445, 15500), (1550, 14450), (1700, 13175), (2108, 10625), (2125, 10540), (2500, 8959), (2635, 8500), (2890, 7750), (3100, 7225), (3875, 5780), (4250, 5270)]