77388250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 155675520

約数和(自身を除く): 78287270

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 131, 139, 170, 250, 262, 278, 425, 655, 695, 850, 1310, 1390, 2125, 2227, 2363, 3275, 3475, 4250, 4454, 4726, 6550, 6950, 11135, 11815, 16375, 17375, 18209, 22270, 23630, 32750, 34750, 36418, 55675, 59075, 91045, 111350, 118150, 182090, 278375, 295375, 309553, 455225, 556750, 590750, 619106, 910450, 1547765, 2276125, 3095530, 4552250, 7738825, 15477650, 38694125, 77388250]

約数ペア:

[(1, 77388250), (2, 38694125), (5, 15477650), (10, 7738825), (17, 4552250), (25, 3095530), (34, 2276125), (50, 1547765), (85, 910450), (125, 619106), (131, 590750), (139, 556750), (170, 455225), (250, 309553), (262, 295375), (278, 278375), (425, 182090), (655, 118150), (695, 111350), (850, 91045), (1310, 59075), (1390, 55675), (2125, 36418), (2227, 34750), (2363, 32750), (3275, 23630), (3475, 22270), (4250, 18209), (4454, 17375), (4726, 16375), (6550, 11815), (6950, 11135)]