1098680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 2729160

約数和(自身を除く): 1630480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 227, 242, 440, 454, 484, 605, 908, 968, 1135, 1210, 1816, 2270, 2420, 2497, 4540, 4840, 4994, 9080, 9988, 12485, 19976, 24970, 27467, 49940, 54934, 99880, 109868, 137335, 219736, 274670, 549340, 1098680]

約数ペア:

[(1, 1098680), (2, 549340), (4, 274670), (5, 219736), (8, 137335), (10, 109868), (11, 99880), (20, 54934), (22, 49940), (40, 27467), (44, 24970), (55, 19976), (88, 12485), (110, 9988), (121, 9080), (220, 4994), (227, 4840), (242, 4540), (440, 2497), (454, 2420), (484, 2270), (605, 1816), (908, 1210), (968, 1135)]