11888780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 26853120

約数和(自身を除く): 14964340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 479, 730, 958, 1241, 1460, 1916, 2395, 2482, 4790, 4964, 6205, 8143, 9580, 12410, 16286, 24820, 32572, 34967, 40715, 69934, 81430, 139868, 162860, 174835, 349670, 594439, 699340, 1188878, 2377756, 2972195, 5944390, 11888780]

約数ペア:

[(1, 11888780), (2, 5944390), (4, 2972195), (5, 2377756), (10, 1188878), (17, 699340), (20, 594439), (34, 349670), (68, 174835), (73, 162860), (85, 139868), (146, 81430), (170, 69934), (292, 40715), (340, 34967), (365, 32572), (479, 24820), (730, 16286), (958, 12410), (1241, 9580), (1460, 8143), (1916, 6205), (2395, 4964), (2482, 4790)]