309140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 740880

約数和(自身を除く): 431740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 41, 52, 58, 65, 82, 116, 130, 145, 164, 205, 260, 290, 377, 410, 533, 580, 754, 820, 1066, 1189, 1508, 1885, 2132, 2378, 2665, 3770, 4756, 5330, 5945, 7540, 10660, 11890, 15457, 23780, 30914, 61828, 77285, 154570, 309140]

約数ペア:

[(1, 309140), (2, 154570), (4, 77285), (5, 61828), (10, 30914), (13, 23780), (20, 15457), (26, 11890), (29, 10660), (41, 7540), (52, 5945), (58, 5330), (65, 4756), (82, 3770), (116, 2665), (130, 2378), (145, 2132), (164, 1885), (205, 1508), (260, 1189), (290, 1066), (377, 820), (410, 754), (533, 580)]