71018950

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 135772560

約数和(自身を除く): 64753610

約数列:

[1, 2, 5, 10, 25, 50, 83, 109, 157, 166, 218, 314, 415, 545, 785, 830, 1090, 1570, 2075, 2725, 3925, 4150, 5450, 7850, 9047, 13031, 17113, 18094, 26062, 34226, 45235, 65155, 85565, 90470, 130310, 171130, 226175, 325775, 427825, 452350, 651550, 855650, 1420379, 2840758, 7101895, 14203790, 35509475, 71018950]

約数ペア:

[(1, 71018950), (2, 35509475), (5, 14203790), (10, 7101895), (25, 2840758), (50, 1420379), (83, 855650), (109, 651550), (157, 452350), (166, 427825), (218, 325775), (314, 226175), (415, 171130), (545, 130310), (785, 90470), (830, 85565), (1090, 65155), (1570, 45235), (2075, 34226), (2725, 26062), (3925, 18094), (4150, 17113), (5450, 13031), (7850, 9047)]