289968260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{5519}}^1$

素因数の和:5636

約数の個数: 48

約数和(自身を含む): 634314240

約数和(自身を除く): 344345980

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 2627, 5254, 5519, 10508, 11038, 13135, 22076, 26270, 27595, 52540, 55190, 110380, 204203, 391849, 408406, 783698, 816812, 1021015, 1567396, 1959245, 2042030, 3918490, 4084060, 7836980, 14498413, 28996826, 57993652, 72492065, 144984130, 289968260]

約数ペア:

[(1, 289968260), (2, 144984130), (4, 72492065), (5, 57993652), (10, 28996826), (20, 14498413), (37, 7836980), (71, 4084060), (74, 3918490), (142, 2042030), (148, 1959245), (185, 1567396), (284, 1021015), (355, 816812), (370, 783698), (710, 408406), (740, 391849), (1420, 204203), (2627, 110380), (5254, 55190), (5519, 52540), (10508, 27595), (11038, 26270), (13135, 22076)]