30878375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 44546112

約数和(自身を除く): 13667737

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 187, 275, 425, 935, 1321, 1375, 2125, 4675, 6605, 14531, 22457, 23375, 33025, 72655, 112285, 165125, 247027, 363275, 561425, 1235135, 1816375, 2807125, 6175675, 30878375]

約数ペア:

[(1, 30878375), (5, 6175675), (11, 2807125), (17, 1816375), (25, 1235135), (55, 561425), (85, 363275), (125, 247027), (187, 165125), (275, 112285), (425, 72655), (935, 33025), (1321, 23375), (1375, 22457), (2125, 14531), (4675, 6605)]