460640540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{1613}}^1$

素因数の和:1862

約数の個数: 48

約数和(自身を含む): 984281760

約数和(自身を除く): 523641220

約数列:

[1, 2, 4, 5, 10, 20, 109, 131, 218, 262, 436, 524, 545, 655, 1090, 1310, 1613, 2180, 2620, 3226, 6452, 8065, 14279, 16130, 28558, 32260, 57116, 71395, 142790, 175817, 211303, 285580, 351634, 422606, 703268, 845212, 879085, 1056515, 1758170, 2113030, 3516340, 4226060, 23032027, 46064054, 92128108, 115160135, 230320270, 460640540]

約数ペア:

[(1, 460640540), (2, 230320270), (4, 115160135), (5, 92128108), (10, 46064054), (20, 23032027), (109, 4226060), (131, 3516340), (218, 2113030), (262, 1758170), (436, 1056515), (524, 879085), (545, 845212), (655, 703268), (1090, 422606), (1310, 351634), (1613, 285580), (2180, 211303), (2620, 175817), (3226, 142790), (6452, 71395), (8065, 57116), (14279, 32260), (16130, 28558)]