205180516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 384297984

約数和(自身を除く): 179117468

約数列:

[1, 2, 4, 23, 46, 73, 92, 137, 146, 223, 274, 292, 446, 548, 892, 1679, 3151, 3358, 5129, 6302, 6716, 10001, 10258, 12604, 16279, 20002, 20516, 30551, 32558, 40004, 61102, 65116, 122204, 230023, 374417, 460046, 702673, 748834, 920092, 1405346, 1497668, 2230223, 2810692, 4460446, 8920892, 51295129, 102590258, 205180516]

約数ペア:

[(1, 205180516), (2, 102590258), (4, 51295129), (23, 8920892), (46, 4460446), (73, 2810692), (92, 2230223), (137, 1497668), (146, 1405346), (223, 920092), (274, 748834), (292, 702673), (446, 460046), (548, 374417), (892, 230023), (1679, 122204), (3151, 65116), (3358, 61102), (5129, 40004), (6302, 32558), (6716, 30551), (10001, 20516), (10258, 20002), (12604, 16279)]