744990040

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{19181}}^1$

素因数の和:20163

約数の個数: 32

約数和(自身を含む): 1678041360

約数和(自身を除く): 933051320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4855, 7768, 9710, 19181, 19420, 38362, 38840, 76724, 95905, 153448, 191810, 383620, 767240, 18624751, 37249502, 74499004, 93123755, 148998008, 186247510, 372495020, 744990040]

約数ペア:

[(1, 744990040), (2, 372495020), (4, 186247510), (5, 148998008), (8, 93123755), (10, 74499004), (20, 37249502), (40, 18624751), (971, 767240), (1942, 383620), (3884, 191810), (4855, 153448), (7768, 95905), (9710, 76724), (19181, 38840), (19420, 38362)]