310017500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{9539}}^1$

素因数の和:9576

約数の個数: 60

約数和(自身を含む): 730172520

約数和(自身を除く): 420155020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2500, 3250, 6500, 8125, 9539, 16250, 19078, 32500, 38156, 47695, 95390, 124007, 190780, 238475, 248014, 476950, 496028, 620035, 953900, 1192375, 1240070, 2384750, 2480140, 3100175, 4769500, 5961875, 6200350, 11923750, 12400700, 15500875, 23847500, 31001750, 62003500, 77504375, 155008750, 310017500]

約数ペア:

[(1, 310017500), (2, 155008750), (4, 77504375), (5, 62003500), (10, 31001750), (13, 23847500), (20, 15500875), (25, 12400700), (26, 11923750), (50, 6200350), (52, 5961875), (65, 4769500), (100, 3100175), (125, 2480140), (130, 2384750), (250, 1240070), (260, 1192375), (325, 953900), (500, 620035), (625, 496028), (650, 476950), (1250, 248014), (1300, 238475), (1625, 190780), (2500, 124007), (3250, 95390), (6500, 47695), (8125, 38156), (9539, 32500), (16250, 19078)]