127630900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 295527960

約数和(自身を除く): 167897060

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 193, 340, 386, 389, 425, 772, 778, 850, 965, 1556, 1700, 1930, 1945, 3281, 3860, 3890, 4825, 6562, 6613, 7780, 9650, 9725, 13124, 13226, 16405, 19300, 19450, 26452, 32810, 33065, 38900, 65620, 66130, 75077, 82025, 132260, 150154, 164050, 165325, 300308, 328100, 330650, 375385, 661300, 750770, 1276309, 1501540, 1876925, 2552618, 3753850, 5105236, 6381545, 7507700, 12763090, 25526180, 31907725, 63815450, 127630900]

約数ペア:

[(1, 127630900), (2, 63815450), (4, 31907725), (5, 25526180), (10, 12763090), (17, 7507700), (20, 6381545), (25, 5105236), (34, 3753850), (50, 2552618), (68, 1876925), (85, 1501540), (100, 1276309), (170, 750770), (193, 661300), (340, 375385), (386, 330650), (389, 328100), (425, 300308), (772, 165325), (778, 164050), (850, 150154), (965, 132260), (1556, 82025), (1700, 75077), (1930, 66130), (1945, 65620), (3281, 38900), (3860, 33065), (3890, 32810), (4825, 26452), (6562, 19450), (6613, 19300), (7780, 16405), (9650, 13226), (9725, 13124)]