511233880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{12923}}^1$

素因数の和:13000

約数の個数: 64

約数和(自身を含む): 1228296960

約数和(自身を除く): 717063080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 7912, 9890, 12923, 19780, 25846, 39560, 51692, 64615, 103384, 129230, 258460, 297229, 516920, 555689, 594458, 1111378, 1188916, 1486145, 2222756, 2377832, 2778445, 2972290, 4445512, 5556890, 5944580, 11113780, 11889160, 12780847, 22227560, 25561694, 51123388, 63904235, 102246776, 127808470, 255616940, 511233880]

約数ペア:

[(1, 511233880), (2, 255616940), (4, 127808470), (5, 102246776), (8, 63904235), (10, 51123388), (20, 25561694), (23, 22227560), (40, 12780847), (43, 11889160), (46, 11113780), (86, 5944580), (92, 5556890), (115, 4445512), (172, 2972290), (184, 2778445), (215, 2377832), (230, 2222756), (344, 1486145), (430, 1188916), (460, 1111378), (860, 594458), (920, 555689), (989, 516920), (1720, 297229), (1978, 258460), (3956, 129230), (4945, 103384), (7912, 64615), (9890, 51692), (12923, 39560), (19780, 25846)]