129205790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{7723}}^1$

素因数の和:7976

約数の個数: 32

約数和(自身を含む): 266941440

約数和(自身を除く): 137735650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 7723, 8365, 15446, 16730, 38615, 54061, 77230, 108122, 270305, 540610, 1845797, 3691594, 9228985, 12920579, 18457970, 25841158, 64602895, 129205790]

約数ペア:

[(1, 129205790), (2, 64602895), (5, 25841158), (7, 18457970), (10, 12920579), (14, 9228985), (35, 3691594), (70, 1845797), (239, 540610), (478, 270305), (1195, 108122), (1673, 77230), (2390, 54061), (3346, 38615), (7723, 16730), (8365, 15446)]