30851240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110183}}^1$

素因数の和:110201

約数の個数: 32

約数和(自身を含む): 79332480

約数和(自身を除く): 48481240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110183, 220366, 440732, 550915, 771281, 881464, 1101830, 1542562, 2203660, 3085124, 3856405, 4407320, 6170248, 7712810, 15425620, 30851240]

約数ペア:

[(1, 30851240), (2, 15425620), (4, 7712810), (5, 6170248), (7, 4407320), (8, 3856405), (10, 3085124), (14, 2203660), (20, 1542562), (28, 1101830), (35, 881464), (40, 771281), (56, 550915), (70, 440732), (140, 220366), (280, 110183)]