1900779640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{2897}}^1$

素因数の和:3304

約数の個数: 64

約数和(自身を含む): 4381776000

約数和(自身を除く): 2480996360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 349, 376, 470, 698, 940, 1396, 1745, 1880, 2792, 2897, 3490, 5794, 6980, 11588, 13960, 14485, 16403, 23176, 28970, 32806, 57940, 65612, 82015, 115880, 131224, 136159, 164030, 272318, 328060, 544636, 656120, 680795, 1011053, 1089272, 1361590, 2022106, 2723180, 4044212, 5055265, 5446360, 8088424, 10110530, 20221060, 40442120, 47519491, 95038982, 190077964, 237597455, 380155928, 475194910, 950389820, 1900779640]

約数ペア:

[(1, 1900779640), (2, 950389820), (4, 475194910), (5, 380155928), (8, 237597455), (10, 190077964), (20, 95038982), (40, 47519491), (47, 40442120), (94, 20221060), (188, 10110530), (235, 8088424), (349, 5446360), (376, 5055265), (470, 4044212), (698, 2723180), (940, 2022106), (1396, 1361590), (1745, 1089272), (1880, 1011053), (2792, 680795), (2897, 656120), (3490, 544636), (5794, 328060), (6980, 272318), (11588, 164030), (13960, 136159), (14485, 131224), (16403, 115880), (23176, 82015), (28970, 65612), (32806, 57940)]