140973520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103657}}^1$

素因数の和:103687

約数の個数: 40

約数和(自身を含む): 347046984

約数和(自身を除く): 206073464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 103657, 207314, 414628, 518285, 829256, 1036570, 1658512, 1762169, 2073140, 3524338, 4146280, 7048676, 8292560, 8810845, 14097352, 17621690, 28194704, 35243380, 70486760, 140973520]

約数ペア:

[(1, 140973520), (2, 70486760), (4, 35243380), (5, 28194704), (8, 17621690), (10, 14097352), (16, 8810845), (17, 8292560), (20, 7048676), (34, 4146280), (40, 3524338), (68, 2073140), (80, 1762169), (85, 1658512), (136, 1036570), (170, 829256), (272, 518285), (340, 414628), (680, 207314), (1360, 103657)]