31382100020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{499}}^1\times {\mathrm{3739}}^1$

素因数の和:4305

約数の個数: 72

約数和(自身を含む): 68408340000

約数和(自身を除く): 37026239980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 499, 580, 841, 998, 1682, 1996, 2495, 3364, 3739, 4205, 4990, 7478, 8410, 9980, 14471, 14956, 16820, 18695, 28942, 37390, 57884, 72355, 74780, 108431, 144710, 216862, 289420, 419659, 433724, 542155, 839318, 1084310, 1678636, 1865761, 2098295, 2168620, 3144499, 3731522, 4196590, 6288998, 7463044, 8393180, 9328805, 12577996, 15722495, 18657610, 31444990, 37315220, 54107069, 62889980, 108214138, 216428276, 270535345, 541070690, 1082141380, 1569105001, 3138210002, 6276420004, 7845525005, 15691050010, 31382100020]

約数ペア:

[(1, 31382100020), (2, 15691050010), (4, 7845525005), (5, 6276420004), (10, 3138210002), (20, 1569105001), (29, 1082141380), (58, 541070690), (116, 270535345), (145, 216428276), (290, 108214138), (499, 62889980), (580, 54107069), (841, 37315220), (998, 31444990), (1682, 18657610), (1996, 15722495), (2495, 12577996), (3364, 9328805), (3739, 8393180), (4205, 7463044), (4990, 6288998), (7478, 4196590), (8410, 3731522), (9980, 3144499), (14471, 2168620), (14956, 2098295), (16820, 1865761), (18695, 1678636), (28942, 1084310), (37390, 839318), (57884, 542155), (72355, 433724), (74780, 419659), (108431, 289420), (144710, 216862)]