408099380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{18911}}^1$

素因数の和:19016

約数の個数: 48

約数和(自身を含む): 934101504

約数和(自身を除く): 526002124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 4316, 5395, 10790, 18911, 21580, 37822, 75644, 94555, 189110, 245843, 378220, 491686, 983372, 1229215, 1569613, 2458430, 3139226, 4916860, 6278452, 7848065, 15696130, 20404969, 31392260, 40809938, 81619876, 102024845, 204049690, 408099380]

約数ペア:

[(1, 408099380), (2, 204049690), (4, 102024845), (5, 81619876), (10, 40809938), (13, 31392260), (20, 20404969), (26, 15696130), (52, 7848065), (65, 6278452), (83, 4916860), (130, 3139226), (166, 2458430), (260, 1569613), (332, 1229215), (415, 983372), (830, 491686), (1079, 378220), (1660, 245843), (2158, 189110), (4316, 94555), (5395, 75644), (10790, 37822), (18911, 21580)]