15920450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3499}}^1$

素因数の和:3531

約数の個数: 48

約数和(自身を含む): 36456000

約数和(自身を除く): 20535550

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 3499, 4550, 6998, 17495, 24493, 34990, 45487, 48986, 87475, 90974, 122465, 174950, 227435, 244930, 318409, 454870, 612325, 636818, 1137175, 1224650, 1592045, 2274350, 3184090, 7960225, 15920450]

約数ペア:

[(1, 15920450), (2, 7960225), (5, 3184090), (7, 2274350), (10, 1592045), (13, 1224650), (14, 1137175), (25, 636818), (26, 612325), (35, 454870), (50, 318409), (65, 244930), (70, 227435), (91, 174950), (130, 122465), (175, 90974), (182, 87475), (325, 48986), (350, 45487), (455, 34990), (650, 24493), (910, 17495), (2275, 6998), (3499, 4550)]