199469140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1831}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 452430720

約数和(自身を除く): 252961580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 838, 1676, 1831, 2095, 3662, 4190, 5447, 7324, 8380, 9155, 10894, 18310, 21788, 23803, 27235, 36620, 47606, 54470, 95212, 108940, 119015, 238030, 476060, 767189, 1534378, 3068756, 3835945, 7671890, 9973457, 15343780, 19946914, 39893828, 49867285, 99734570, 199469140]

約数ペア:

[(1, 199469140), (2, 99734570), (4, 49867285), (5, 39893828), (10, 19946914), (13, 15343780), (20, 9973457), (26, 7671890), (52, 3835945), (65, 3068756), (130, 1534378), (260, 767189), (419, 476060), (838, 238030), (1676, 119015), (1831, 108940), (2095, 95212), (3662, 54470), (4190, 47606), (5447, 36620), (7324, 27235), (8380, 23803), (9155, 21788), (10894, 18310)]