268399300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{206461}}^1$

素因数の和:206488

約数の個数: 36

約数和(自身を含む): 627231556

約数和(自身を除く): 358832256

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 206461, 412922, 825844, 1032305, 2064610, 2683993, 4129220, 5161525, 5367986, 10323050, 10735972, 13419965, 20646100, 26839930, 53679860, 67099825, 134199650, 268399300]

約数ペア:

[(1, 268399300), (2, 134199650), (4, 67099825), (5, 53679860), (10, 26839930), (13, 20646100), (20, 13419965), (25, 10735972), (26, 10323050), (50, 5367986), (52, 5161525), (65, 4129220), (100, 2683993), (130, 2064610), (260, 1032305), (325, 825844), (650, 412922), (1300, 206461)]