219822640

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{11497}}^1$

素因数の和:11749

約数の個数: 40

約数和(自身を含む): 513270720

約数和(自身を除く): 293448080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 11497, 19120, 22994, 45988, 57485, 91976, 114970, 183952, 229940, 459880, 919760, 2747783, 5495566, 10991132, 13738915, 21982264, 27477830, 43964528, 54955660, 109911320, 219822640]

約数ペア:

[(1, 219822640), (2, 109911320), (4, 54955660), (5, 43964528), (8, 27477830), (10, 21982264), (16, 13738915), (20, 10991132), (40, 5495566), (80, 2747783), (239, 919760), (478, 459880), (956, 229940), (1195, 183952), (1912, 114970), (2390, 91976), (3824, 57485), (4780, 45988), (9560, 22994), (11497, 19120)]