223670540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 478880640

約数和(自身を除く): 255210100

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 239, 292, 365, 478, 641, 730, 956, 1195, 1282, 1460, 2390, 2564, 3205, 4780, 6410, 12820, 17447, 34894, 46793, 69788, 87235, 93586, 153199, 174470, 187172, 233965, 306398, 348940, 467930, 612796, 765995, 935860, 1531990, 3063980, 11183527, 22367054, 44734108, 55917635, 111835270, 223670540]

約数ペア:

[(1, 223670540), (2, 111835270), (4, 55917635), (5, 44734108), (10, 22367054), (20, 11183527), (73, 3063980), (146, 1531990), (239, 935860), (292, 765995), (365, 612796), (478, 467930), (641, 348940), (730, 306398), (956, 233965), (1195, 187172), (1282, 174470), (1460, 153199), (2390, 93586), (2564, 87235), (3205, 69788), (4780, 46793), (6410, 34894), (12820, 17447)]