891201640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{102673}}^1$

素因数の和:102722

約数の個数: 64

約数和(自身を含む): 2365608960

約数和(自身を除く): 1474407320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 102673, 205346, 410692, 513365, 718711, 821384, 1026730, 1437422, 2053460, 2874844, 3182863, 3593555, 4106920, 5749688, 6365726, 7187110, 12731452, 14374220, 15914315, 22280041, 25462904, 28748440, 31828630, 44560082, 63657260, 89120164, 111400205, 127314520, 178240328, 222800410, 445600820, 891201640]

約数ペア:

[(1, 891201640), (2, 445600820), (4, 222800410), (5, 178240328), (7, 127314520), (8, 111400205), (10, 89120164), (14, 63657260), (20, 44560082), (28, 31828630), (31, 28748440), (35, 25462904), (40, 22280041), (56, 15914315), (62, 14374220), (70, 12731452), (124, 7187110), (140, 6365726), (155, 5749688), (217, 4106920), (248, 3593555), (280, 3182863), (310, 2874844), (434, 2053460), (620, 1437422), (868, 1026730), (1085, 821384), (1240, 718711), (1736, 513365), (2170, 410692), (4340, 205346), (8680, 102673)]