209739930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^2\times {\mathrm{659}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 509081760

約数和(自身を除く): 299341830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 659, 1030, 1318, 1545, 1977, 3090, 3295, 3954, 6590, 9885, 10609, 19770, 21218, 31827, 53045, 63654, 67877, 106090, 135754, 159135, 203631, 318270, 339385, 407262, 678770, 1018155, 2036310, 6991331, 13982662, 20973993, 34956655, 41947986, 69913310, 104869965, 209739930]

約数ペア:

[(1, 209739930), (2, 104869965), (3, 69913310), (5, 41947986), (6, 34956655), (10, 20973993), (15, 13982662), (30, 6991331), (103, 2036310), (206, 1018155), (309, 678770), (515, 407262), (618, 339385), (659, 318270), (1030, 203631), (1318, 159135), (1545, 135754), (1977, 106090), (3090, 67877), (3295, 63654), (3954, 53045), (6590, 31827), (9885, 21218), (10609, 19770)]