7851740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 18815328

約数和(自身を除く): 10963588

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 101, 115, 130, 169, 202, 230, 260, 299, 338, 404, 460, 505, 598, 676, 845, 1010, 1196, 1313, 1495, 1690, 2020, 2323, 2626, 2990, 3380, 3887, 4646, 5252, 5980, 6565, 7774, 9292, 11615, 13130, 15548, 17069, 19435, 23230, 26260, 30199, 34138, 38870, 46460, 60398, 68276, 77740, 85345, 120796, 150995, 170690, 301990, 341380, 392587, 603980, 785174, 1570348, 1962935, 3925870, 7851740]

約数ペア:

[(1, 7851740), (2, 3925870), (4, 1962935), (5, 1570348), (10, 785174), (13, 603980), (20, 392587), (23, 341380), (26, 301990), (46, 170690), (52, 150995), (65, 120796), (92, 85345), (101, 77740), (115, 68276), (130, 60398), (169, 46460), (202, 38870), (230, 34138), (260, 30199), (299, 26260), (338, 23230), (404, 19435), (460, 17069), (505, 15548), (598, 13130), (676, 11615), (845, 9292), (1010, 7774), (1196, 6565), (1313, 5980), (1495, 5252), (1690, 4646), (2020, 3887), (2323, 3380), (2626, 2990)]