138960220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4451}}^1$

素因数の和:4690

約数の個数: 48

約数和(自身を含む): 335075328

約数和(自身を除く): 196115108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4451, 4460, 6244, 7805, 8902, 15610, 17804, 22255, 31157, 31220, 44510, 62314, 89020, 124628, 155785, 311570, 623140, 992573, 1985146, 3970292, 4962865, 6948011, 9925730, 13896022, 19851460, 27792044, 34740055, 69480110, 138960220]

約数ペア:

[(1, 138960220), (2, 69480110), (4, 34740055), (5, 27792044), (7, 19851460), (10, 13896022), (14, 9925730), (20, 6948011), (28, 4962865), (35, 3970292), (70, 1985146), (140, 992573), (223, 623140), (446, 311570), (892, 155785), (1115, 124628), (1561, 89020), (2230, 62314), (3122, 44510), (4451, 31220), (4460, 31157), (6244, 22255), (7805, 17804), (8902, 15610)]