198706680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{551963}}^1$

素因数の和:551980

約数の個数: 48

約数和(自身を含む): 645797880

約数和(自身を除く): 447091200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 551963, 1103926, 1655889, 2207852, 2759815, 3311778, 4415704, 4967667, 5519630, 6623556, 8279445, 9935334, 11039260, 13247112, 16558890, 19870668, 22078520, 24838335, 33117780, 39741336, 49676670, 66235560, 99353340, 198706680]

約数ペア:

[(1, 198706680), (2, 99353340), (3, 66235560), (4, 49676670), (5, 39741336), (6, 33117780), (8, 24838335), (9, 22078520), (10, 19870668), (12, 16558890), (15, 13247112), (18, 11039260), (20, 9935334), (24, 8279445), (30, 6623556), (36, 5519630), (40, 4967667), (45, 4415704), (60, 3311778), (72, 2759815), (90, 2207852), (120, 1655889), (180, 1103926), (360, 551963)]