72991420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{6899}}^1$

素因数の和:6954

約数の個数: 36

約数和(自身を含む): 160259400

約数和(自身を除く): 87267980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 5290, 6899, 10580, 13798, 27596, 34495, 68990, 137980, 158677, 317354, 634708, 793385, 1586770, 3173540, 3649571, 7299142, 14598284, 18247855, 36495710, 72991420]

約数ペア:

[(1, 72991420), (2, 36495710), (4, 18247855), (5, 14598284), (10, 7299142), (20, 3649571), (23, 3173540), (46, 1586770), (92, 793385), (115, 634708), (230, 317354), (460, 158677), (529, 137980), (1058, 68990), (2116, 34495), (2645, 27596), (5290, 13798), (6899, 10580)]