208507980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73939}}^1$

素因数の和:73998

約数の個数: 48

約数和(自身を含む): 596252160

約数和(自身を除く): 387744180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 73939, 147878, 221817, 295756, 369695, 443634, 739390, 887268, 1109085, 1478780, 2218170, 3475133, 4436340, 6950266, 10425399, 13900532, 17375665, 20850798, 34751330, 41701596, 52126995, 69502660, 104253990, 208507980]

約数ペア:

[(1, 208507980), (2, 104253990), (3, 69502660), (4, 52126995), (5, 41701596), (6, 34751330), (10, 20850798), (12, 17375665), (15, 13900532), (20, 10425399), (30, 6950266), (47, 4436340), (60, 3475133), (94, 2218170), (141, 1478780), (188, 1109085), (235, 887268), (282, 739390), (470, 443634), (564, 369695), (705, 295756), (940, 221817), (1410, 147878), (2820, 73939)]