253443880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{119549}}^1$

素因数の和:119613

約数の個数: 32

約数和(自身を含む): 581013000

約数和(自身を除く): 327569120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 119549, 239098, 478196, 597745, 956392, 1195490, 2390980, 4781960, 6336097, 12672194, 25344388, 31680485, 50688776, 63360970, 126721940, 253443880]

約数ペア:

[(1, 253443880), (2, 126721940), (4, 63360970), (5, 50688776), (8, 31680485), (10, 25344388), (20, 12672194), (40, 6336097), (53, 4781960), (106, 2390980), (212, 1195490), (265, 956392), (424, 597745), (530, 478196), (1060, 239098), (2120, 119549)]