17764180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{569}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 25136300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 569, 892, 1115, 1138, 1561, 2230, 2276, 2845, 3122, 3983, 4460, 5690, 6244, 7805, 7966, 11380, 15610, 15932, 19915, 31220, 39830, 79660, 126887, 253774, 507548, 634435, 888209, 1268870, 1776418, 2537740, 3552836, 4441045, 8882090, 17764180]

約数ペア:

[(1, 17764180), (2, 8882090), (4, 4441045), (5, 3552836), (7, 2537740), (10, 1776418), (14, 1268870), (20, 888209), (28, 634435), (35, 507548), (70, 253774), (140, 126887), (223, 79660), (446, 39830), (569, 31220), (892, 19915), (1115, 15932), (1138, 15610), (1561, 11380), (2230, 7966), (2276, 7805), (2845, 6244), (3122, 5690), (3983, 4460)]