399784920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{195973}}^1$

素因数の和:196004

約数の個数: 64

約数和(自身を含む): 1269911520

約数和(自身を除く): 870126600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 195973, 391946, 587919, 783892, 979865, 1175838, 1567784, 1959730, 2351676, 2939595, 3331541, 3919460, 4703352, 5879190, 6663082, 7838920, 9994623, 11758380, 13326164, 16657705, 19989246, 23516760, 26652328, 33315410, 39978492, 49973115, 66630820, 79956984, 99946230, 133261640, 199892460, 399784920]

約数ペア:

[(1, 399784920), (2, 199892460), (3, 133261640), (4, 99946230), (5, 79956984), (6, 66630820), (8, 49973115), (10, 39978492), (12, 33315410), (15, 26652328), (17, 23516760), (20, 19989246), (24, 16657705), (30, 13326164), (34, 11758380), (40, 9994623), (51, 7838920), (60, 6663082), (68, 5879190), (85, 4703352), (102, 3919460), (120, 3331541), (136, 2939595), (170, 2351676), (204, 1959730), (255, 1567784), (340, 1175838), (408, 979865), (510, 783892), (680, 587919), (1020, 391946), (2040, 195973)]