199388980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{2503}}^1$

素因数の和:3088

約数の個数: 48

約数和(自身を含む): 479566080

約数和(自身を除く): 280177100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 1138, 2276, 2503, 2845, 3983, 5006, 5690, 7966, 10012, 11380, 12515, 15932, 17521, 19915, 25030, 35042, 39830, 50060, 70084, 79660, 87605, 175210, 350420, 1424207, 2848414, 5696828, 7121035, 9969449, 14242070, 19938898, 28484140, 39877796, 49847245, 99694490, 199388980]

約数ペア:

[(1, 199388980), (2, 99694490), (4, 49847245), (5, 39877796), (7, 28484140), (10, 19938898), (14, 14242070), (20, 9969449), (28, 7121035), (35, 5696828), (70, 2848414), (140, 1424207), (569, 350420), (1138, 175210), (2276, 87605), (2503, 79660), (2845, 70084), (3983, 50060), (5006, 39830), (5690, 35042), (7966, 25030), (10012, 19915), (11380, 17521), (12515, 15932)]