649037350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{26987}}^1$

素因数の和:27049

約数の個数: 48

約数和(自身を含む): 1335258288

約数和(自身を除く): 686220938

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 185, 325, 370, 481, 650, 925, 962, 1850, 2405, 4810, 12025, 24050, 26987, 53974, 134935, 269870, 350831, 674675, 701662, 998519, 1349350, 1754155, 1997038, 3508310, 4992595, 8770775, 9985190, 12980747, 17541550, 24962975, 25961494, 49925950, 64903735, 129807470, 324518675, 649037350]

約数ペア:

[(1, 649037350), (2, 324518675), (5, 129807470), (10, 64903735), (13, 49925950), (25, 25961494), (26, 24962975), (37, 17541550), (50, 12980747), (65, 9985190), (74, 8770775), (130, 4992595), (185, 3508310), (325, 1997038), (370, 1754155), (481, 1349350), (650, 998519), (925, 701662), (962, 674675), (1850, 350831), (2405, 269870), (4810, 134935), (12025, 53974), (24050, 26987)]