131225000

素因数分解:

$2^3\times 5^5\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 319901400

約数和(自身を除く): 188676400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 181, 200, 232, 250, 290, 362, 500, 580, 625, 724, 725, 905, 1000, 1160, 1250, 1448, 1450, 1810, 2500, 2900, 3125, 3620, 3625, 4525, 5000, 5249, 5800, 6250, 7240, 7250, 9050, 10498, 12500, 14500, 18100, 18125, 20996, 22625, 25000, 26245, 29000, 36200, 36250, 41992, 45250, 52490, 72500, 90500, 90625, 104980, 113125, 131225, 145000, 181000, 181250, 209960, 226250, 262450, 362500, 452500, 524900, 565625, 656125, 725000, 905000, 1049800, 1131250, 1312250, 2262500, 2624500, 3280625, 4525000, 5249000, 6561250, 13122500, 16403125, 26245000, 32806250, 65612500, 131225000]

約数ペア:

[(1, 131225000), (2, 65612500), (4, 32806250), (5, 26245000), (8, 16403125), (10, 13122500), (20, 6561250), (25, 5249000), (29, 4525000), (40, 3280625), (50, 2624500), (58, 2262500), (100, 1312250), (116, 1131250), (125, 1049800), (145, 905000), (181, 725000), (200, 656125), (232, 565625), (250, 524900), (290, 452500), (362, 362500), (500, 262450), (580, 226250), (625, 209960), (724, 181250), (725, 181000), (905, 145000), (1000, 131225), (1160, 113125), (1250, 104980), (1448, 90625), (1450, 90500), (1810, 72500), (2500, 52490), (2900, 45250), (3125, 41992), (3620, 36250), (3625, 36200), (4525, 29000), (5000, 26245), (5249, 25000), (5800, 22625), (6250, 20996), (7240, 18125), (7250, 18100), (9050, 14500), (10498, 12500)]