17507980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1583}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 25069940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 1583, 2212, 2765, 3166, 5530, 6332, 7915, 11060, 11081, 15830, 22162, 31660, 44324, 55405, 110810, 125057, 221620, 250114, 500228, 625285, 875399, 1250570, 1750798, 2501140, 3501596, 4376995, 8753990, 17507980]

約数ペア:

[(1, 17507980), (2, 8753990), (4, 4376995), (5, 3501596), (7, 2501140), (10, 1750798), (14, 1250570), (20, 875399), (28, 625285), (35, 500228), (70, 250114), (79, 221620), (140, 125057), (158, 110810), (316, 55405), (395, 44324), (553, 31660), (790, 22162), (1106, 15830), (1580, 11081), (1583, 11060), (2212, 7915), (2765, 6332), (3166, 5530)]