238266640

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{4561}}^1$

素因数の和:5227

約数の個数: 40

約数和(自身を含む): 554939928

約数和(自身を除く): 316673288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 2612, 3265, 4561, 5224, 6530, 9122, 10448, 13060, 18244, 22805, 26120, 36488, 45610, 52240, 72976, 91220, 182440, 364880, 2978333, 5956666, 11913332, 14891665, 23826664, 29783330, 47653328, 59566660, 119133320, 238266640]

約数ペア:

[(1, 238266640), (2, 119133320), (4, 59566660), (5, 47653328), (8, 29783330), (10, 23826664), (16, 14891665), (20, 11913332), (40, 5956666), (80, 2978333), (653, 364880), (1306, 182440), (2612, 91220), (3265, 72976), (4561, 52240), (5224, 45610), (6530, 36488), (9122, 26120), (10448, 22805), (13060, 18244)]