2019427690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{12451}}^1$

素因数の和:12803

約数の個数: 48

約数和(自身を含む): 4241549664

約数和(自身を除く): 2222121974

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 331, 490, 662, 1655, 2317, 3310, 4634, 11585, 12451, 16219, 23170, 24902, 32438, 62255, 81095, 87157, 124510, 162190, 174314, 435785, 610099, 871570, 1220198, 3050495, 4121281, 6100990, 8242562, 20606405, 28848967, 41212810, 57697934, 144244835, 201942769, 288489670, 403885538, 1009713845, 2019427690]

約数ペア:

[(1, 2019427690), (2, 1009713845), (5, 403885538), (7, 288489670), (10, 201942769), (14, 144244835), (35, 57697934), (49, 41212810), (70, 28848967), (98, 20606405), (245, 8242562), (331, 6100990), (490, 4121281), (662, 3050495), (1655, 1220198), (2317, 871570), (3310, 610099), (4634, 435785), (11585, 174314), (12451, 162190), (16219, 124510), (23170, 87157), (24902, 81095), (32438, 62255)]