189770840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21863}}^1$

素因数の和:21912

約数の個数: 64

約数和(自身を含む): 503746560

約数和(自身を除く): 313975720

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, 21863, 43726, 87452, 109315, 153041, 174904, 218630, 306082, 437260, 612164, 677753, 765205, 874520, 1224328, 1355506, 1530410, 2711012, 3060820, 3388765, 4744271, 5422024, 6121640, 6777530, 9488542, 13555060, 18977084, 23721355, 27110120, 37954168, 47442710, 94885420, 189770840]

約数ペア:

[(1, 189770840), (2, 94885420), (4, 47442710), (5, 37954168), (7, 27110120), (8, 23721355), (10, 18977084), (14, 13555060), (20, 9488542), (28, 6777530), (31, 6121640), (35, 5422024), (40, 4744271), (56, 3388765), (62, 3060820), (70, 2711012), (124, 1530410), (140, 1355506), (155, 1224328), (217, 874520), (248, 765205), (280, 677753), (310, 612164), (434, 437260), (620, 306082), (868, 218630), (1085, 174904), (1240, 153041), (1736, 109315), (2170, 87452), (4340, 43726), (8680, 21863)]