209429920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{26713}}^1$

素因数の和:26742

約数の個数: 72

約数和(自身を含む): 575579844

約数和(自身を除く): 366149924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 26713, 53426, 106852, 133565, 186991, 213704, 267130, 373982, 427408, 534260, 747964, 854816, 934955, 1068520, 1308937, 1495928, 1869910, 2137040, 2617874, 2991856, 3739820, 4274080, 5235748, 5983712, 6544685, 7479640, 10471496, 13089370, 14959280, 20942992, 26178740, 29918560, 41885984, 52357480, 104714960, 209429920]

約数ペア:

[(1, 209429920), (2, 104714960), (4, 52357480), (5, 41885984), (7, 29918560), (8, 26178740), (10, 20942992), (14, 14959280), (16, 13089370), (20, 10471496), (28, 7479640), (32, 6544685), (35, 5983712), (40, 5235748), (49, 4274080), (56, 3739820), (70, 2991856), (80, 2617874), (98, 2137040), (112, 1869910), (140, 1495928), (160, 1308937), (196, 1068520), (224, 934955), (245, 854816), (280, 747964), (392, 534260), (490, 427408), (560, 373982), (784, 267130), (980, 213704), (1120, 186991), (1568, 133565), (1960, 106852), (3920, 53426), (7840, 26713)]