680678570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1297}}^1$

素因数の和:1695

約数の個数: 64

約数和(自身を含む): 1444455936

約数和(自身を除く): 763777366

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 367, 715, 734, 1297, 1430, 1835, 2594, 3670, 4037, 4771, 6485, 8074, 9542, 12970, 14267, 16861, 20185, 23855, 28534, 33722, 40370, 47710, 52481, 71335, 84305, 104962, 142670, 168610, 185471, 262405, 370942, 475999, 524810, 927355, 951998, 1854710, 2379995, 4759990, 5235989, 6187987, 10471978, 12375974, 26179945, 30939935, 52359890, 61879870, 68067857, 136135714, 340339285, 680678570]

約数ペア:

[(1, 680678570), (2, 340339285), (5, 136135714), (10, 68067857), (11, 61879870), (13, 52359890), (22, 30939935), (26, 26179945), (55, 12375974), (65, 10471978), (110, 6187987), (130, 5235989), (143, 4759990), (286, 2379995), (367, 1854710), (715, 951998), (734, 927355), (1297, 524810), (1430, 475999), (1835, 370942), (2594, 262405), (3670, 185471), (4037, 168610), (4771, 142670), (6485, 104962), (8074, 84305), (9542, 71335), (12970, 52481), (14267, 47710), (16861, 40370), (20185, 33722), (23855, 28534)]