173628820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1213}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 387304848

約数和(自身を除く): 213676028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 421, 842, 1213, 1684, 2105, 2426, 4210, 4852, 6065, 7157, 8420, 12130, 14314, 20621, 24260, 28628, 35785, 41242, 71570, 82484, 103105, 143140, 206210, 412420, 510673, 1021346, 2042692, 2553365, 5106730, 8681441, 10213460, 17362882, 34725764, 43407205, 86814410, 173628820]

約数ペア:

[(1, 173628820), (2, 86814410), (4, 43407205), (5, 34725764), (10, 17362882), (17, 10213460), (20, 8681441), (34, 5106730), (68, 2553365), (85, 2042692), (170, 1021346), (340, 510673), (421, 412420), (842, 206210), (1213, 143140), (1684, 103105), (2105, 82484), (2426, 71570), (4210, 41242), (4852, 35785), (6065, 28628), (7157, 24260), (8420, 20621), (12130, 14314)]