143996840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276917}}^1$

素因数の和:276941

約数の個数: 32

約数和(自身を含む): 348916680

約数和(自身を除く): 204919840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 276917, 553834, 1107668, 1384585, 2215336, 2769170, 3599921, 5538340, 7199842, 11076680, 14399684, 17999605, 28799368, 35999210, 71998420, 143996840]

約数ペア:

[(1, 143996840), (2, 71998420), (4, 35999210), (5, 28799368), (8, 17999605), (10, 14399684), (13, 11076680), (20, 7199842), (26, 5538340), (40, 3599921), (52, 2769170), (65, 2215336), (104, 1384585), (130, 1107668), (260, 553834), (520, 276917)]