354421820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{2999}}^1$

素因数の和:3338

約数の個数: 48

約数和(自身を含む): 786240000

約数和(自身を除く): 431818180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 311, 380, 622, 1244, 1555, 2999, 3110, 5909, 5998, 6220, 11818, 11996, 14995, 23636, 29545, 29990, 56981, 59090, 59980, 113962, 118180, 227924, 284905, 569810, 932689, 1139620, 1865378, 3730756, 4663445, 9326890, 17721091, 18653780, 35442182, 70884364, 88605455, 177210910, 354421820]

約数ペア:

[(1, 354421820), (2, 177210910), (4, 88605455), (5, 70884364), (10, 35442182), (19, 18653780), (20, 17721091), (38, 9326890), (76, 4663445), (95, 3730756), (190, 1865378), (311, 1139620), (380, 932689), (622, 569810), (1244, 284905), (1555, 227924), (2999, 118180), (3110, 113962), (5909, 59980), (5998, 59090), (6220, 56981), (11818, 29990), (11996, 29545), (14995, 23636)]