123529540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 266999040

約数和(自身を除く): 143469500

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 239, 430, 478, 601, 860, 956, 1195, 1202, 2390, 2404, 3005, 4780, 6010, 10277, 12020, 20554, 25843, 41108, 51385, 51686, 102770, 103372, 129215, 143639, 205540, 258430, 287278, 516860, 574556, 718195, 1436390, 2872780, 6176477, 12352954, 24705908, 30882385, 61764770, 123529540]

約数ペア:

[(1, 123529540), (2, 61764770), (4, 30882385), (5, 24705908), (10, 12352954), (20, 6176477), (43, 2872780), (86, 1436390), (172, 718195), (215, 574556), (239, 516860), (430, 287278), (478, 258430), (601, 205540), (860, 143639), (956, 129215), (1195, 103372), (1202, 102770), (2390, 51686), (2404, 51385), (3005, 41108), (4780, 25843), (6010, 20554), (10277, 12020)]