2798110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 5847552

約数和(自身を除く): 3049442

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 563, 710, 994, 1126, 2485, 2815, 3941, 4970, 5630, 7882, 19705, 39410, 39973, 79946, 199865, 279811, 399730, 559622, 1399055, 2798110]

約数ペア:

[(1, 2798110), (2, 1399055), (5, 559622), (7, 399730), (10, 279811), (14, 199865), (35, 79946), (70, 39973), (71, 39410), (142, 19705), (355, 7882), (497, 5630), (563, 4970), (710, 3941), (994, 2815), (1126, 2485)]