202013090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^3\times {\mathrm{89}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 373837680

約数和(自身を除く): 171824590

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 610, 890, 3721, 5429, 7442, 10858, 18605, 27145, 37210, 54290, 226981, 331169, 453962, 662338, 1134905, 1655845, 2269810, 3311690, 20201309, 40402618, 101006545, 202013090]

約数ペア:

[(1, 202013090), (2, 101006545), (5, 40402618), (10, 20201309), (61, 3311690), (89, 2269810), (122, 1655845), (178, 1134905), (305, 662338), (445, 453962), (610, 331169), (890, 226981), (3721, 54290), (5429, 37210), (7442, 27145), (10858, 18605)]