97937020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2657}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 218806560

約数和(自身を除く): 120869540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 2657, 3686, 5314, 7372, 9215, 10628, 13285, 18430, 26570, 36860, 50483, 53140, 100966, 201932, 252415, 257729, 504830, 515458, 1009660, 1030916, 1288645, 2577290, 4896851, 5154580, 9793702, 19587404, 24484255, 48968510, 97937020]

約数ペア:

[(1, 97937020), (2, 48968510), (4, 24484255), (5, 19587404), (10, 9793702), (19, 5154580), (20, 4896851), (38, 2577290), (76, 1288645), (95, 1030916), (97, 1009660), (190, 515458), (194, 504830), (380, 257729), (388, 252415), (485, 201932), (970, 100966), (1843, 53140), (1940, 50483), (2657, 36860), (3686, 26570), (5314, 18430), (7372, 13285), (9215, 10628)]