30537980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12619}}^1$

素因数の和:12650

約数の個数: 36

約数和(自身を含む): 70495320

約数和(自身を除く): 39957340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12619, 25238, 50476, 63095, 126190, 138809, 252380, 277618, 555236, 694045, 1388090, 1526899, 2776180, 3053798, 6107596, 7634495, 15268990, 30537980]

約数ペア:

[(1, 30537980), (2, 15268990), (4, 7634495), (5, 6107596), (10, 3053798), (11, 2776180), (20, 1526899), (22, 1388090), (44, 694045), (55, 555236), (110, 277618), (121, 252380), (220, 138809), (242, 126190), (484, 63095), (605, 50476), (1210, 25238), (2420, 12619)]