256185900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{284651}}^1$

素因数の和:284671

約数の個数: 54

約数和(自身を含む): 803003292

約数和(自身を除く): 546817392

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 284651, 569302, 853953, 1138604, 1423255, 1707906, 2561859, 2846510, 3415812, 4269765, 5123718, 5693020, 7116275, 8539530, 10247436, 12809295, 14232550, 17079060, 21348825, 25618590, 28465100, 42697650, 51237180, 64046475, 85395300, 128092950, 256185900]

約数ペア:

[(1, 256185900), (2, 128092950), (3, 85395300), (4, 64046475), (5, 51237180), (6, 42697650), (9, 28465100), (10, 25618590), (12, 21348825), (15, 17079060), (18, 14232550), (20, 12809295), (25, 10247436), (30, 8539530), (36, 7116275), (45, 5693020), (50, 5123718), (60, 4269765), (75, 3415812), (90, 2846510), (100, 2561859), (150, 1707906), (180, 1423255), (225, 1138604), (300, 853953), (450, 569302), (900, 284651)]