201463880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 462983040

約数和(自身を除く): 261519160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 107, 206, 214, 412, 428, 457, 515, 535, 824, 856, 914, 1030, 1070, 1828, 2060, 2140, 2285, 3656, 4120, 4280, 4570, 9140, 11021, 18280, 22042, 44084, 47071, 48899, 55105, 88168, 94142, 97798, 110210, 188284, 195596, 220420, 235355, 244495, 376568, 391192, 440840, 470710, 488990, 941420, 977980, 1882840, 1955960, 5036597, 10073194, 20146388, 25182985, 40292776, 50365970, 100731940, 201463880]

約数ペア:

[(1, 201463880), (2, 100731940), (4, 50365970), (5, 40292776), (8, 25182985), (10, 20146388), (20, 10073194), (40, 5036597), (103, 1955960), (107, 1882840), (206, 977980), (214, 941420), (412, 488990), (428, 470710), (457, 440840), (515, 391192), (535, 376568), (824, 244495), (856, 235355), (914, 220420), (1030, 195596), (1070, 188284), (1828, 110210), (2060, 97798), (2140, 94142), (2285, 88168), (3656, 55105), (4120, 48899), (4280, 47071), (4570, 44084), (9140, 22042), (11021, 18280)]