1549400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 3690240

約数和(自身を除く): 2140840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 127, 200, 244, 254, 305, 488, 508, 610, 635, 1016, 1220, 1270, 1525, 2440, 2540, 3050, 3175, 5080, 6100, 6350, 7747, 12200, 12700, 15494, 25400, 30988, 38735, 61976, 77470, 154940, 193675, 309880, 387350, 774700, 1549400]

約数ペア:

[(1, 1549400), (2, 774700), (4, 387350), (5, 309880), (8, 193675), (10, 154940), (20, 77470), (25, 61976), (40, 38735), (50, 30988), (61, 25400), (100, 15494), (122, 12700), (127, 12200), (200, 7747), (244, 6350), (254, 6100), (305, 5080), (488, 3175), (508, 3050), (610, 2540), (635, 2440), (1016, 1525), (1220, 1270)]