388300510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 772833600

約数和(自身を除く): 384533090

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 109, 130, 134, 218, 335, 409, 545, 670, 818, 871, 1090, 1417, 1742, 2045, 2834, 4090, 4355, 5317, 7085, 7303, 8710, 10634, 14170, 14606, 26585, 27403, 36515, 44581, 53170, 54806, 73030, 89162, 94939, 137015, 189878, 222905, 274030, 356239, 445810, 474695, 579553, 712478, 949390, 1159106, 1781195, 2897765, 2986927, 3562390, 5795530, 5973854, 14934635, 29869270, 38830051, 77660102, 194150255, 388300510]

約数ペア:

[(1, 388300510), (2, 194150255), (5, 77660102), (10, 38830051), (13, 29869270), (26, 14934635), (65, 5973854), (67, 5795530), (109, 3562390), (130, 2986927), (134, 2897765), (218, 1781195), (335, 1159106), (409, 949390), (545, 712478), (670, 579553), (818, 474695), (871, 445810), (1090, 356239), (1417, 274030), (1742, 222905), (2045, 189878), (2834, 137015), (4090, 94939), (4355, 89162), (5317, 73030), (7085, 54806), (7303, 53170), (8710, 44581), (10634, 36515), (14170, 27403), (14606, 26585)]