222781000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17137}}^1$

素因数の和:17171

約数の個数: 64

約数和(自身を含む): 561440880

約数和(自身を除く): 338659880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 17137, 34274, 68548, 85685, 137096, 171370, 222781, 342740, 428425, 445562, 685480, 856850, 891124, 1113905, 1713700, 1782248, 2142125, 2227810, 3427400, 4284250, 4455620, 5569525, 8568500, 8911240, 11139050, 17137000, 22278100, 27847625, 44556200, 55695250, 111390500, 222781000]

約数ペア:

[(1, 222781000), (2, 111390500), (4, 55695250), (5, 44556200), (8, 27847625), (10, 22278100), (13, 17137000), (20, 11139050), (25, 8911240), (26, 8568500), (40, 5569525), (50, 4455620), (52, 4284250), (65, 3427400), (100, 2227810), (104, 2142125), (125, 1782248), (130, 1713700), (200, 1113905), (250, 891124), (260, 856850), (325, 685480), (500, 445562), (520, 428425), (650, 342740), (1000, 222781), (1300, 171370), (1625, 137096), (2600, 85685), (3250, 68548), (6500, 34274), (13000, 17137)]