4788980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 11665920

約数和(自身を除く): 6876940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 433, 553, 790, 866, 1106, 1580, 1732, 2165, 2212, 2765, 3031, 4330, 5530, 6062, 8660, 11060, 12124, 15155, 30310, 34207, 60620, 68414, 136828, 171035, 239449, 342070, 478898, 684140, 957796, 1197245, 2394490, 4788980]

約数ペア:

[(1, 4788980), (2, 2394490), (4, 1197245), (5, 957796), (7, 684140), (10, 478898), (14, 342070), (20, 239449), (28, 171035), (35, 136828), (70, 68414), (79, 60620), (140, 34207), (158, 30310), (316, 15155), (395, 12124), (433, 11060), (553, 8660), (790, 6062), (866, 5530), (1106, 4330), (1580, 3031), (1732, 2765), (2165, 2212)]