1949960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 4652100

約数和(自身を除く): 2702140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 1681, 2378, 3362, 4756, 5945, 6724, 8405, 9512, 11890, 13448, 16810, 23780, 33620, 47560, 48749, 67240, 97498, 194996, 243745, 389992, 487490, 974980, 1949960]

約数ペア:

[(1, 1949960), (2, 974980), (4, 487490), (5, 389992), (8, 243745), (10, 194996), (20, 97498), (29, 67240), (40, 48749), (41, 47560), (58, 33620), (82, 23780), (116, 16810), (145, 13448), (164, 11890), (205, 9512), (232, 8405), (290, 6724), (328, 5945), (410, 4756), (580, 3362), (820, 2378), (1160, 1681), (1189, 1640)]