320420072

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{1033}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 714700800

約数和(自身を除く): 394280728

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 191, 203, 232, 382, 406, 764, 812, 1033, 1337, 1528, 1624, 2066, 2674, 4132, 5348, 5539, 7231, 8264, 10696, 11078, 14462, 22156, 28924, 29957, 38773, 44312, 57848, 59914, 77546, 119828, 155092, 197303, 209699, 239656, 310184, 394606, 419398, 789212, 838796, 1381121, 1578424, 1677592, 2762242, 5524484, 5721787, 11048968, 11443574, 22887148, 40052509, 45774296, 80105018, 160210036, 320420072]

約数ペア:

[(1, 320420072), (2, 160210036), (4, 80105018), (7, 45774296), (8, 40052509), (14, 22887148), (28, 11443574), (29, 11048968), (56, 5721787), (58, 5524484), (116, 2762242), (191, 1677592), (203, 1578424), (232, 1381121), (382, 838796), (406, 789212), (764, 419398), (812, 394606), (1033, 310184), (1337, 239656), (1528, 209699), (1624, 197303), (2066, 155092), (2674, 119828), (4132, 77546), (5348, 59914), (5539, 57848), (7231, 44312), (8264, 38773), (10696, 29957), (11078, 28924), (14462, 22156)]