11897540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 26293680

約数和(自身を除く): 14396140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 281, 290, 292, 365, 562, 580, 730, 1124, 1405, 1460, 2117, 2810, 4234, 5620, 8149, 8468, 10585, 16298, 20513, 21170, 32596, 40745, 41026, 42340, 81490, 82052, 102565, 162980, 205130, 410260, 594877, 1189754, 2379508, 2974385, 5948770, 11897540]

約数ペア:

[(1, 11897540), (2, 5948770), (4, 2974385), (5, 2379508), (10, 1189754), (20, 594877), (29, 410260), (58, 205130), (73, 162980), (116, 102565), (145, 82052), (146, 81490), (281, 42340), (290, 41026), (292, 40745), (365, 32596), (562, 21170), (580, 20513), (730, 16298), (1124, 10585), (1405, 8468), (1460, 8149), (2117, 5620), (2810, 4234)]