139754580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{332749}}^1$

素因数の和:332768

約数の個数: 48

約数和(自身を含む): 447216000

約数和(自身を除く): 307461420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 332749, 665498, 998247, 1330996, 1663745, 1996494, 2329243, 3327490, 3992988, 4658486, 4991235, 6654980, 6987729, 9316972, 9982470, 11646215, 13975458, 19964940, 23292430, 27950916, 34938645, 46584860, 69877290, 139754580]

約数ペア:

[(1, 139754580), (2, 69877290), (3, 46584860), (4, 34938645), (5, 27950916), (6, 23292430), (7, 19964940), (10, 13975458), (12, 11646215), (14, 9982470), (15, 9316972), (20, 6987729), (21, 6654980), (28, 4991235), (30, 4658486), (35, 3992988), (42, 3327490), (60, 2329243), (70, 1996494), (84, 1663745), (105, 1330996), (140, 998247), (210, 665498), (420, 332749)]