31422970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 61272288

約数和(自身を除く): 29849318

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 131, 166, 170, 262, 289, 415, 578, 655, 830, 1310, 1411, 1445, 2227, 2822, 2890, 4454, 7055, 10873, 11135, 14110, 21746, 22270, 23987, 37859, 47974, 54365, 75718, 108730, 119935, 184841, 189295, 239870, 369682, 378590, 924205, 1848410, 3142297, 6284594, 15711485, 31422970]

約数ペア:

[(1, 31422970), (2, 15711485), (5, 6284594), (10, 3142297), (17, 1848410), (34, 924205), (83, 378590), (85, 369682), (131, 239870), (166, 189295), (170, 184841), (262, 119935), (289, 108730), (415, 75718), (578, 54365), (655, 47974), (830, 37859), (1310, 23987), (1411, 22270), (1445, 21746), (2227, 14110), (2822, 11135), (2890, 10873), (4454, 7055)]