212154320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{54121}}^1$

素因数の和:54148

約数の個数: 60

約数和(自身を含む): 573801444

約数和(自身を除く): 361647124

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, 54121, 108242, 216484, 270605, 378847, 432968, 541210, 757694, 865936, 1082420, 1515388, 1894235, 2164840, 2651929, 3030776, 3788470, 4329680, 5303858, 6061552, 7576940, 10607716, 13259645, 15153880, 21215432, 26519290, 30307760, 42430864, 53038580, 106077160, 212154320]

約数ペア:

[(1, 212154320), (2, 106077160), (4, 53038580), (5, 42430864), (7, 30307760), (8, 26519290), (10, 21215432), (14, 15153880), (16, 13259645), (20, 10607716), (28, 7576940), (35, 6061552), (40, 5303858), (49, 4329680), (56, 3788470), (70, 3030776), (80, 2651929), (98, 2164840), (112, 1894235), (140, 1515388), (196, 1082420), (245, 865936), (280, 757694), (392, 541210), (490, 432968), (560, 378847), (784, 270605), (980, 216484), (1960, 108242), (3920, 54121)]