315573240680

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{647}}^1\times {\mathrm{34939}}^1$

素因数の和:35946

約数の個数: 64

約数和(自身を含む): 713195280000

約数和(自身を除く): 397622039320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 647, 698, 1294, 1396, 1745, 2588, 2792, 3235, 3490, 5176, 6470, 6980, 12940, 13960, 25880, 34939, 69878, 139756, 174695, 225803, 279512, 349390, 451606, 698780, 903212, 1129015, 1397560, 1806424, 2258030, 4516060, 9032120, 12193711, 22605533, 24387422, 45211066, 48774844, 60968555, 90422132, 97549688, 113027665, 121937110, 180844264, 226055330, 243874220, 452110660, 487748440, 904221320, 7889331017, 15778662034, 31557324068, 39446655085, 63114648136, 78893310170, 157786620340, 315573240680]

約数ペア:

[(1, 315573240680), (2, 157786620340), (4, 78893310170), (5, 63114648136), (8, 39446655085), (10, 31557324068), (20, 15778662034), (40, 7889331017), (349, 904221320), (647, 487748440), (698, 452110660), (1294, 243874220), (1396, 226055330), (1745, 180844264), (2588, 121937110), (2792, 113027665), (3235, 97549688), (3490, 90422132), (5176, 60968555), (6470, 48774844), (6980, 45211066), (12940, 24387422), (13960, 22605533), (25880, 12193711), (34939, 9032120), (69878, 4516060), (139756, 2258030), (174695, 1806424), (225803, 1397560), (279512, 1129015), (349390, 903212), (451606, 698780)]