490392

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{139}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 1556100

約数和(自身を除く): 1065708

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 139, 147, 168, 196, 252, 278, 294, 392, 417, 441, 504, 556, 588, 834, 882, 973, 1112, 1176, 1251, 1668, 1764, 1946, 2502, 2919, 3336, 3528, 3892, 5004, 5838, 6811, 7784, 8757, 10008, 11676, 13622, 17514, 20433, 23352, 27244, 35028, 40866, 54488, 61299, 70056, 81732, 122598, 163464, 245196, 490392]

約数ペア:

[(1, 490392), (2, 245196), (3, 163464), (4, 122598), (6, 81732), (7, 70056), (8, 61299), (9, 54488), (12, 40866), (14, 35028), (18, 27244), (21, 23352), (24, 20433), (28, 17514), (36, 13622), (42, 11676), (49, 10008), (56, 8757), (63, 7784), (72, 6811), (84, 5838), (98, 5004), (126, 3892), (139, 3528), (147, 3336), (168, 2919), (196, 2502), (252, 1946), (278, 1764), (294, 1668), (392, 1251), (417, 1176), (441, 1112), (504, 973), (556, 882), (588, 834)]