406900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:340

約数の個数: 36

約数和(自身を含む): 953932

約数和(自身を除く): 547032

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 313, 325, 626, 650, 1252, 1300, 1565, 3130, 4069, 6260, 7825, 8138, 15650, 16276, 20345, 31300, 40690, 81380, 101725, 203450, 406900]

約数ペア:

[(1, 406900), (2, 203450), (4, 101725), (5, 81380), (10, 40690), (13, 31300), (20, 20345), (25, 16276), (26, 15650), (50, 8138), (52, 7825), (65, 6260), (100, 4069), (130, 3130), (260, 1565), (313, 1300), (325, 1252), (626, 650)]