30147220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13829}}^1$

素因数の和:13947

約数の個数: 24

約数和(自身を含む): 63894600

約数和(自身を除く): 33747380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 13829, 27658, 55316, 69145, 138290, 276580, 1507361, 3014722, 6029444, 7536805, 15073610, 30147220]

約数ペア:

[(1, 30147220), (2, 15073610), (4, 7536805), (5, 6029444), (10, 3014722), (20, 1507361), (109, 276580), (218, 138290), (436, 69145), (545, 55316), (1090, 27658), (2180, 13829)]