79369780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^2$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 200043648

約数和(自身を除く): 120673868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 157, 161, 230, 314, 322, 460, 628, 644, 785, 805, 1099, 1570, 1610, 2198, 3140, 3220, 3611, 4396, 5495, 7222, 10990, 14444, 18055, 21980, 24649, 25277, 36110, 49298, 50554, 72220, 98596, 101108, 123245, 126385, 172543, 246490, 252770, 345086, 492980, 505540, 566927, 690172, 862715, 1133854, 1725430, 2267708, 2834635, 3450860, 3968489, 5669270, 7936978, 11338540, 15873956, 19842445, 39684890, 79369780]

約数ペア:

[(1, 79369780), (2, 39684890), (4, 19842445), (5, 15873956), (7, 11338540), (10, 7936978), (14, 5669270), (20, 3968489), (23, 3450860), (28, 2834635), (35, 2267708), (46, 1725430), (70, 1133854), (92, 862715), (115, 690172), (140, 566927), (157, 505540), (161, 492980), (230, 345086), (314, 252770), (322, 246490), (460, 172543), (628, 126385), (644, 123245), (785, 101108), (805, 98596), (1099, 72220), (1570, 50554), (1610, 49298), (2198, 36110), (3140, 25277), (3220, 24649), (3611, 21980), (4396, 18055), (5495, 14444), (7222, 10990)]