2686021940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{122203}}^1$

素因数の和:122376

約数の個数: 48

約数和(自身を含む): 6487565952

約数和(自身を除く): 3801544012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 21980, 122203, 244406, 488812, 611015, 855421, 1222030, 1710842, 2444060, 3421684, 4277105, 8554210, 17108420, 19185871, 38371742, 76743484, 95929355, 134301097, 191858710, 268602194, 383717420, 537204388, 671505485, 1343010970, 2686021940]

約数ペア:

[(1, 2686021940), (2, 1343010970), (4, 671505485), (5, 537204388), (7, 383717420), (10, 268602194), (14, 191858710), (20, 134301097), (28, 95929355), (35, 76743484), (70, 38371742), (140, 19185871), (157, 17108420), (314, 8554210), (628, 4277105), (785, 3421684), (1099, 2444060), (1570, 1710842), (2198, 1222030), (3140, 855421), (4396, 611015), (5495, 488812), (10990, 244406), (21980, 122203)]