1808897420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{155137}}^1$

素因数の和:155210

約数の個数: 48

約数和(自身を含む): 4222235808

約数和(自身を除く): 2413338388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 155137, 310274, 620548, 775685, 1551370, 1706507, 3102740, 3413014, 6826028, 8222261, 8532535, 16444522, 17065070, 32889044, 34130140, 41111305, 82222610, 90444871, 164445220, 180889742, 361779484, 452224355, 904448710, 1808897420]

約数ペア:

[(1, 1808897420), (2, 904448710), (4, 452224355), (5, 361779484), (10, 180889742), (11, 164445220), (20, 90444871), (22, 82222610), (44, 41111305), (53, 34130140), (55, 32889044), (106, 17065070), (110, 16444522), (212, 8532535), (220, 8222261), (265, 6826028), (530, 3413014), (583, 3102740), (1060, 1706507), (1166, 1551370), (2332, 775685), (2915, 620548), (5830, 310274), (11660, 155137)]