201909090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{94793}}^1$

素因数の和:94874

約数の個数: 32

約数和(自身を含む): 491412096

約数和(自身を除く): 289503006

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 94793, 189586, 284379, 473965, 568758, 947930, 1421895, 2843790, 6730303, 13460606, 20190909, 33651515, 40381818, 67303030, 100954545, 201909090]

約数ペア:

[(1, 201909090), (2, 100954545), (3, 67303030), (5, 40381818), (6, 33651515), (10, 20190909), (15, 13460606), (30, 6730303), (71, 2843790), (142, 1421895), (213, 947930), (355, 568758), (426, 473965), (710, 284379), (1065, 189586), (2130, 94793)]