400764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 1154048

約数和(自身を除く): 753284

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 367, 546, 734, 1092, 1101, 1468, 2202, 2569, 4404, 4771, 5138, 7707, 9542, 10276, 14313, 15414, 19084, 28626, 30828, 33397, 57252, 66794, 100191, 133588, 200382, 400764]

約数ペア:

[(1, 400764), (2, 200382), (3, 133588), (4, 100191), (6, 66794), (7, 57252), (12, 33397), (13, 30828), (14, 28626), (21, 19084), (26, 15414), (28, 14313), (39, 10276), (42, 9542), (52, 7707), (78, 5138), (84, 4771), (91, 4404), (156, 2569), (182, 2202), (273, 1468), (364, 1101), (367, 1092), (546, 734)]