218102820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{279619}}^1$

素因数の和:279644

約数の個数: 48

約数和(自身を含む): 657666240

約数和(自身を除く): 439563420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 279619, 559238, 838857, 1118476, 1398095, 1677714, 2796190, 3355428, 3635047, 4194285, 5592380, 7270094, 8388570, 10905141, 14540188, 16777140, 18175235, 21810282, 36350470, 43620564, 54525705, 72700940, 109051410, 218102820]

約数ペア:

[(1, 218102820), (2, 109051410), (3, 72700940), (4, 54525705), (5, 43620564), (6, 36350470), (10, 21810282), (12, 18175235), (13, 16777140), (15, 14540188), (20, 10905141), (26, 8388570), (30, 7270094), (39, 5592380), (52, 4194285), (60, 3635047), (65, 3355428), (78, 2796190), (130, 1677714), (156, 1398095), (195, 1118476), (260, 838857), (390, 559238), (780, 279619)]