53042780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1699}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 127948800

約数和(自身を除く): 74906020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 1699, 2230, 3122, 3398, 4460, 6244, 6796, 7805, 8495, 11893, 15610, 16990, 23786, 31220, 33980, 47572, 59465, 118930, 237860, 378877, 757754, 1515508, 1894385, 2652139, 3788770, 5304278, 7577540, 10608556, 13260695, 26521390, 53042780]

約数ペア:

[(1, 53042780), (2, 26521390), (4, 13260695), (5, 10608556), (7, 7577540), (10, 5304278), (14, 3788770), (20, 2652139), (28, 1894385), (35, 1515508), (70, 757754), (140, 378877), (223, 237860), (446, 118930), (892, 59465), (1115, 47572), (1561, 33980), (1699, 31220), (2230, 23786), (3122, 16990), (3398, 15610), (4460, 11893), (6244, 8495), (6796, 7805)]