2128890530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{861899}}^1$

素因数の和:861938

約数の個数: 32

約数和(自身を含む): 4343976000

約数和(自身を除く): 2215085470

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 861899, 1723798, 4309495, 8618990, 11204687, 16376081, 22409374, 32752162, 56023435, 81880405, 112046870, 163760810, 212889053, 425778106, 1064445265, 2128890530]

約数ペア:

[(1, 2128890530), (2, 1064445265), (5, 425778106), (10, 212889053), (13, 163760810), (19, 112046870), (26, 81880405), (38, 56023435), (65, 32752162), (95, 22409374), (130, 16376081), (190, 11204687), (247, 8618990), (494, 4309495), (1235, 1723798), (2470, 861899)]