71963980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3001}}^1$

素因数の和:3130

約数の個数: 48

約数和(自身を含む): 166430880

約数和(自身を除く): 94466900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 3001, 4796, 5995, 6002, 11990, 12004, 15005, 23980, 30010, 33011, 60020, 66022, 132044, 165055, 327109, 330110, 654218, 660220, 1308436, 1635545, 3271090, 3598199, 6542180, 7196398, 14392796, 17990995, 35981990, 71963980]

約数ペア:

[(1, 71963980), (2, 35981990), (4, 17990995), (5, 14392796), (10, 7196398), (11, 6542180), (20, 3598199), (22, 3271090), (44, 1635545), (55, 1308436), (109, 660220), (110, 654218), (218, 330110), (220, 327109), (436, 165055), (545, 132044), (1090, 66022), (1199, 60020), (2180, 33011), (2398, 30010), (3001, 23980), (4796, 15005), (5995, 12004), (6002, 11990)]