389225150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1663}}^1$

素因数の和:1857

約数の個数: 48

約数和(自身を含む): 752713728

約数和(自身を除く): 363488578

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 151, 155, 302, 310, 755, 775, 1510, 1550, 1663, 3326, 3775, 4681, 7550, 8315, 9362, 16630, 23405, 41575, 46810, 51553, 83150, 103106, 117025, 234050, 251113, 257765, 502226, 515530, 1255565, 1288825, 2511130, 2577650, 6277825, 7784503, 12555650, 15569006, 38922515, 77845030, 194612575, 389225150]

約数ペア:

[(1, 389225150), (2, 194612575), (5, 77845030), (10, 38922515), (25, 15569006), (31, 12555650), (50, 7784503), (62, 6277825), (151, 2577650), (155, 2511130), (302, 1288825), (310, 1255565), (755, 515530), (775, 502226), (1510, 257765), (1550, 251113), (1663, 234050), (3326, 117025), (3775, 103106), (4681, 83150), (7550, 51553), (8315, 46810), (9362, 41575), (16630, 23405)]