17185220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 39205488

約数和(自身を除く): 22020268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 421, 628, 785, 842, 1570, 1684, 2041, 2105, 3140, 4082, 4210, 5473, 8164, 8420, 10205, 10946, 20410, 21892, 27365, 40820, 54730, 66097, 109460, 132194, 264388, 330485, 660970, 859261, 1321940, 1718522, 3437044, 4296305, 8592610, 17185220]

約数ペア:

[(1, 17185220), (2, 8592610), (4, 4296305), (5, 3437044), (10, 1718522), (13, 1321940), (20, 859261), (26, 660970), (52, 330485), (65, 264388), (130, 132194), (157, 109460), (260, 66097), (314, 54730), (421, 40820), (628, 27365), (785, 21892), (842, 20410), (1570, 10946), (1684, 10205), (2041, 8420), (2105, 8164), (3140, 5473), (4082, 4210)]