578120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 1323000

約数和(自身を除く): 744880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 149, 194, 298, 388, 485, 596, 745, 776, 970, 1192, 1490, 1940, 2980, 3880, 5960, 14453, 28906, 57812, 72265, 115624, 144530, 289060, 578120]

約数ペア:

[(1, 578120), (2, 289060), (4, 144530), (5, 115624), (8, 72265), (10, 57812), (20, 28906), (40, 14453), (97, 5960), (149, 3880), (194, 2980), (298, 1940), (388, 1490), (485, 1192), (596, 970), (745, 776)]