1894990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 3685824

約数和(自身を除く): 1790834

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 157, 170, 314, 355, 710, 785, 1207, 1570, 2414, 2669, 5338, 6035, 11147, 12070, 13345, 22294, 26690, 55735, 111470, 189499, 378998, 947495, 1894990]

約数ペア:

[(1, 1894990), (2, 947495), (5, 378998), (10, 189499), (17, 111470), (34, 55735), (71, 26690), (85, 22294), (142, 13345), (157, 12070), (170, 11147), (314, 6035), (355, 5338), (710, 2669), (785, 2414), (1207, 1570)]