91220420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1831}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 199438848

約数和(自身を除く): 108218428

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 1831, 2491, 3662, 4982, 7324, 9155, 9964, 12455, 18310, 24910, 36620, 49820, 86057, 97043, 172114, 194086, 344228, 388172, 430285, 485215, 860570, 970430, 1721140, 1940860, 4561021, 9122042, 18244084, 22805105, 45610210, 91220420]

約数ペア:

[(1, 91220420), (2, 45610210), (4, 22805105), (5, 18244084), (10, 9122042), (20, 4561021), (47, 1940860), (53, 1721140), (94, 970430), (106, 860570), (188, 485215), (212, 430285), (235, 388172), (265, 344228), (470, 194086), (530, 172114), (940, 97043), (1060, 86057), (1831, 49820), (2491, 36620), (3662, 24910), (4982, 18310), (7324, 12455), (9155, 9964)]