98156680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 228096000

約数和(自身を除く): 129939320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 109, 188, 218, 235, 376, 436, 470, 479, 545, 872, 940, 958, 1090, 1880, 1916, 2180, 2395, 3832, 4360, 4790, 5123, 9580, 10246, 19160, 20492, 22513, 25615, 40984, 45026, 51230, 52211, 90052, 102460, 104422, 112565, 180104, 204920, 208844, 225130, 261055, 417688, 450260, 522110, 900520, 1044220, 2088440, 2453917, 4907834, 9815668, 12269585, 19631336, 24539170, 49078340, 98156680]

約数ペア:

[(1, 98156680), (2, 49078340), (4, 24539170), (5, 19631336), (8, 12269585), (10, 9815668), (20, 4907834), (40, 2453917), (47, 2088440), (94, 1044220), (109, 900520), (188, 522110), (218, 450260), (235, 417688), (376, 261055), (436, 225130), (470, 208844), (479, 204920), (545, 180104), (872, 112565), (940, 104422), (958, 102460), (1090, 90052), (1880, 52211), (1916, 51230), (2180, 45026), (2395, 40984), (3832, 25615), (4360, 22513), (4790, 20492), (5123, 19160), (9580, 10246)]