187826920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{48409}}^1$

素因数の和:48517

約数の個数: 32

約数和(自身を含む): 426976200

約数和(自身を除く): 239149280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 48409, 96818, 193636, 242045, 387272, 484090, 968180, 1936360, 4695673, 9391346, 18782692, 23478365, 37565384, 46956730, 93913460, 187826920]

約数ペア:

[(1, 187826920), (2, 93913460), (4, 46956730), (5, 37565384), (8, 23478365), (10, 18782692), (20, 9391346), (40, 4695673), (97, 1936360), (194, 968180), (388, 484090), (485, 387272), (776, 242045), (970, 193636), (1940, 96818), (3880, 48409)]