19416250

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{317}}^1$

素因数の和:353

約数の個数: 60

約数和(自身を含む): 42469218

約数和(自身を除く): 23052968

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 317, 350, 490, 625, 634, 875, 1225, 1250, 1585, 1750, 2219, 2450, 3170, 4375, 4438, 6125, 7925, 8750, 11095, 12250, 15533, 15850, 22190, 30625, 31066, 39625, 55475, 61250, 77665, 79250, 110950, 155330, 198125, 277375, 388325, 396250, 554750, 776650, 1386875, 1941625, 2773750, 3883250, 9708125, 19416250]

約数ペア:

[(1, 19416250), (2, 9708125), (5, 3883250), (7, 2773750), (10, 1941625), (14, 1386875), (25, 776650), (35, 554750), (49, 396250), (50, 388325), (70, 277375), (98, 198125), (125, 155330), (175, 110950), (245, 79250), (250, 77665), (317, 61250), (350, 55475), (490, 39625), (625, 31066), (634, 30625), (875, 22190), (1225, 15850), (1250, 15533), (1585, 12250), (1750, 11095), (2219, 8750), (2450, 7925), (3170, 6125), (4375, 4438)]