261087980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{221261}}^1$

素因数の和:221329

約数の個数: 24

約数和(自身を含む): 557580240

約数和(自身を除く): 296492260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 221261, 442522, 885044, 1106305, 2212610, 4425220, 13054399, 26108798, 52217596, 65271995, 130543990, 261087980]

約数ペア:

[(1, 261087980), (2, 130543990), (4, 65271995), (5, 52217596), (10, 26108798), (20, 13054399), (59, 4425220), (118, 2212610), (236, 1106305), (295, 885044), (590, 442522), (1180, 221261)]