181837940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2741}}^1$

素因数の和:2888

約数の個数: 48

約数和(自身を含む): 398006784

約数和(自身を除く): 216168844

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 535, 620, 1070, 2140, 2741, 3317, 5482, 6634, 10964, 13268, 13705, 16585, 27410, 33170, 54820, 66340, 84971, 169942, 293287, 339884, 424855, 586574, 849710, 1173148, 1466435, 1699420, 2932870, 5865740, 9091897, 18183794, 36367588, 45459485, 90918970, 181837940]

約数ペア:

[(1, 181837940), (2, 90918970), (4, 45459485), (5, 36367588), (10, 18183794), (20, 9091897), (31, 5865740), (62, 2932870), (107, 1699420), (124, 1466435), (155, 1173148), (214, 849710), (310, 586574), (428, 424855), (535, 339884), (620, 293287), (1070, 169942), (2140, 84971), (2741, 66340), (3317, 54820), (5482, 33170), (6634, 27410), (10964, 16585), (13268, 13705)]