71416250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 80

約数和(自身を含む): 146952960

約数和(自身を除く): 75536710

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 97, 125, 155, 190, 194, 250, 310, 475, 485, 589, 625, 775, 950, 970, 1178, 1250, 1550, 1843, 2375, 2425, 2945, 3007, 3686, 3875, 4750, 4850, 5890, 6014, 7750, 9215, 11875, 12125, 14725, 15035, 18430, 19375, 23750, 24250, 29450, 30070, 38750, 46075, 57133, 60625, 73625, 75175, 92150, 114266, 121250, 147250, 150350, 230375, 285665, 368125, 375875, 460750, 571330, 736250, 751750, 1151875, 1428325, 1879375, 2303750, 2856650, 3758750, 7141625, 14283250, 35708125, 71416250]

約数ペア:

[(1, 71416250), (2, 35708125), (5, 14283250), (10, 7141625), (19, 3758750), (25, 2856650), (31, 2303750), (38, 1879375), (50, 1428325), (62, 1151875), (95, 751750), (97, 736250), (125, 571330), (155, 460750), (190, 375875), (194, 368125), (250, 285665), (310, 230375), (475, 150350), (485, 147250), (589, 121250), (625, 114266), (775, 92150), (950, 75175), (970, 73625), (1178, 60625), (1250, 57133), (1550, 46075), (1843, 38750), (2375, 30070), (2425, 29450), (2945, 24250), (3007, 23750), (3686, 19375), (3875, 18430), (4750, 15035), (4850, 14725), (5890, 12125), (6014, 11875), (7750, 9215)]