239634620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{1223}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 513874368

約数和(自身を除く): 274239748

約数列:

[1, 2, 4, 5, 10, 20, 97, 101, 194, 202, 388, 404, 485, 505, 970, 1010, 1223, 1940, 2020, 2446, 4892, 6115, 9797, 12230, 19594, 24460, 39188, 48985, 97970, 118631, 123523, 195940, 237262, 247046, 474524, 494092, 593155, 617615, 1186310, 1235230, 2372620, 2470460, 11981731, 23963462, 47926924, 59908655, 119817310, 239634620]

約数ペア:

[(1, 239634620), (2, 119817310), (4, 59908655), (5, 47926924), (10, 23963462), (20, 11981731), (97, 2470460), (101, 2372620), (194, 1235230), (202, 1186310), (388, 617615), (404, 593155), (485, 494092), (505, 474524), (970, 247046), (1010, 237262), (1223, 195940), (1940, 123523), (2020, 118631), (2446, 97970), (4892, 48985), (6115, 39188), (9797, 24460), (12230, 19594)]