203420560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{51893}}^1$

素因数の和:51920

約数の個数: 60

約数和(自身を含む): 550180188

約数和(自身を除く): 346759628

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 51893, 103786, 207572, 259465, 363251, 415144, 518930, 726502, 830288, 1037860, 1453004, 1816255, 2075720, 2542757, 2906008, 3632510, 4151440, 5085514, 5812016, 7265020, 10171028, 12713785, 14530040, 20342056, 25427570, 29060080, 40684112, 50855140, 101710280, 203420560]

約数ペア:

[(1, 203420560), (2, 101710280), (4, 50855140), (5, 40684112), (7, 29060080), (8, 25427570), (10, 20342056), (14, 14530040), (16, 12713785), (20, 10171028), (28, 7265020), (35, 5812016), (40, 5085514), (49, 4151440), (56, 3632510), (70, 2906008), (80, 2542757), (98, 2075720), (112, 1816255), (140, 1453004), (196, 1037860), (245, 830288), (280, 726502), (392, 518930), (490, 415144), (560, 363251), (784, 259465), (980, 207572), (1960, 103786), (3920, 51893)]