290414810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{218357}}^1$

素因数の和:218390

約数の個数: 32

約数和(自身を含む): 628871040

約数和(自身を除く): 338456230

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 218357, 436714, 1091785, 1528499, 2183570, 3056998, 4148783, 7642495, 8297566, 15284990, 20743915, 29041481, 41487830, 58082962, 145207405, 290414810]

約数ペア:

[(1, 290414810), (2, 145207405), (5, 58082962), (7, 41487830), (10, 29041481), (14, 20743915), (19, 15284990), (35, 8297566), (38, 7642495), (70, 4148783), (95, 3056998), (133, 2183570), (190, 1528499), (266, 1091785), (665, 436714), (1330, 218357)]