2017539020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{88411}}^1$

素因数の和:88590

約数の個数: 48

約数和(自身を含む): 4871854848

約数和(自身を除く): 2854315828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410, 22820, 88411, 176822, 353644, 442055, 618877, 884110, 1237754, 1768220, 2475508, 3094385, 6188770, 12377540, 14410993, 28821986, 57643972, 72054965, 100876951, 144109930, 201753902, 288219860, 403507804, 504384755, 1008769510, 2017539020]

約数ペア:

[(1, 2017539020), (2, 1008769510), (4, 504384755), (5, 403507804), (7, 288219860), (10, 201753902), (14, 144109930), (20, 100876951), (28, 72054965), (35, 57643972), (70, 28821986), (140, 14410993), (163, 12377540), (326, 6188770), (652, 3094385), (815, 2475508), (1141, 1768220), (1630, 1237754), (2282, 884110), (3260, 618877), (4564, 442055), (5705, 353644), (11410, 176822), (22820, 88411)]