2272220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 5207328

約数和(自身を除く): 2935108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 163, 164, 170, 205, 326, 340, 410, 652, 697, 815, 820, 1394, 1630, 2771, 2788, 3260, 3485, 5542, 6683, 6970, 11084, 13366, 13855, 13940, 26732, 27710, 33415, 55420, 66830, 113611, 133660, 227222, 454444, 568055, 1136110, 2272220]

約数ペア:

[(1, 2272220), (2, 1136110), (4, 568055), (5, 454444), (10, 227222), (17, 133660), (20, 113611), (34, 66830), (41, 55420), (68, 33415), (82, 27710), (85, 26732), (163, 13940), (164, 13855), (170, 13366), (205, 11084), (326, 6970), (340, 6683), (410, 5542), (652, 3485), (697, 3260), (815, 2788), (820, 2771), (1394, 1630)]