138450650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6871}}^1$

素因数の和:6927

約数の個数: 48

約数和(自身を含む): 286315008

約数和(自身を除く): 147864358

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 6871, 10075, 13742, 20150, 34355, 68710, 89323, 171775, 178646, 213001, 343550, 426002, 446615, 893230, 1065005, 2130010, 2233075, 2769013, 4466150, 5325025, 5538026, 10650050, 13845065, 27690130, 69225325, 138450650]

約数ペア:

[(1, 138450650), (2, 69225325), (5, 27690130), (10, 13845065), (13, 10650050), (25, 5538026), (26, 5325025), (31, 4466150), (50, 2769013), (62, 2233075), (65, 2130010), (130, 1065005), (155, 893230), (310, 446615), (325, 426002), (403, 343550), (650, 213001), (775, 178646), (806, 171775), (1550, 89323), (2015, 68710), (4030, 34355), (6871, 20150), (10075, 13742)]