220987060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3089}}^1$

素因数の和:3185

約数の個数: 72

約数和(自身を含む): 547412040

約数和(自身を除く): 326424980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2555, 3089, 3577, 5110, 6178, 7154, 10220, 12356, 14308, 15445, 17885, 21623, 30890, 35770, 43246, 61780, 71540, 86492, 108115, 151361, 216230, 225497, 302722, 432460, 450994, 605444, 756805, 901988, 1127485, 1513610, 1578479, 2254970, 3027220, 3156958, 4509940, 6313916, 7892395, 11049353, 15784790, 22098706, 31569580, 44197412, 55246765, 110493530, 220987060]

約数ペア:

[(1, 220987060), (2, 110493530), (4, 55246765), (5, 44197412), (7, 31569580), (10, 22098706), (14, 15784790), (20, 11049353), (28, 7892395), (35, 6313916), (49, 4509940), (70, 3156958), (73, 3027220), (98, 2254970), (140, 1578479), (146, 1513610), (196, 1127485), (245, 901988), (292, 756805), (365, 605444), (490, 450994), (511, 432460), (730, 302722), (980, 225497), (1022, 216230), (1460, 151361), (2044, 108115), (2555, 86492), (3089, 71540), (3577, 61780), (5110, 43246), (6178, 35770), (7154, 30890), (10220, 21623), (12356, 17885), (14308, 15445)]