194900680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5279}}^1$

素因数の和:5374

約数の個数: 64

約数和(自身を含む): 479001600

約数和(自身を除く): 284100920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3692, 4615, 5279, 7384, 9230, 10558, 18460, 21116, 26395, 36920, 42232, 52790, 68627, 105580, 137254, 211160, 274508, 343135, 374809, 549016, 686270, 749618, 1372540, 1499236, 1874045, 2745080, 2998472, 3748090, 4872517, 7496180, 9745034, 14992360, 19490068, 24362585, 38980136, 48725170, 97450340, 194900680]

約数ペア:

[(1, 194900680), (2, 97450340), (4, 48725170), (5, 38980136), (8, 24362585), (10, 19490068), (13, 14992360), (20, 9745034), (26, 7496180), (40, 4872517), (52, 3748090), (65, 2998472), (71, 2745080), (104, 1874045), (130, 1499236), (142, 1372540), (260, 749618), (284, 686270), (355, 549016), (520, 374809), (568, 343135), (710, 274508), (923, 211160), (1420, 137254), (1846, 105580), (2840, 68627), (3692, 52790), (4615, 42232), (5279, 36920), (7384, 26395), (9230, 21116), (10558, 18460)]