2130260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 5104512

約数和(自身を除く): 2974252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 421, 460, 506, 842, 1012, 1265, 1684, 2105, 2530, 4210, 4631, 5060, 8420, 9262, 9683, 18524, 19366, 23155, 38732, 46310, 48415, 92620, 96830, 106513, 193660, 213026, 426052, 532565, 1065130, 2130260]

約数ペア:

[(1, 2130260), (2, 1065130), (4, 532565), (5, 426052), (10, 213026), (11, 193660), (20, 106513), (22, 96830), (23, 92620), (44, 48415), (46, 46310), (55, 38732), (92, 23155), (110, 19366), (115, 18524), (220, 9683), (230, 9262), (253, 8420), (421, 5060), (460, 4631), (506, 4210), (842, 2530), (1012, 2105), (1265, 1684)]