1386646520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{20549}}^1$

素因数の和:20808

約数の個数: 64

約数和(自身を含む): 3580632000

約数和(自身を除く): 2193985480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1687, 1928, 2410, 3374, 4820, 6748, 8435, 9640, 13496, 16870, 20549, 33740, 41098, 67480, 82196, 102745, 143843, 164392, 205490, 287686, 410980, 575372, 719215, 821960, 1150744, 1438430, 2876860, 4952309, 5753720, 9904618, 19809236, 24761545, 34666163, 39618472, 49523090, 69332326, 99046180, 138664652, 173330815, 198092360, 277329304, 346661630, 693323260, 1386646520]

約数ペア:

[(1, 1386646520), (2, 693323260), (4, 346661630), (5, 277329304), (7, 198092360), (8, 173330815), (10, 138664652), (14, 99046180), (20, 69332326), (28, 49523090), (35, 39618472), (40, 34666163), (56, 24761545), (70, 19809236), (140, 9904618), (241, 5753720), (280, 4952309), (482, 2876860), (964, 1438430), (1205, 1150744), (1687, 821960), (1928, 719215), (2410, 575372), (3374, 410980), (4820, 287686), (6748, 205490), (8435, 164392), (9640, 143843), (13496, 102745), (16870, 82196), (20549, 67480), (33740, 41098)]