171418540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 393724800

約数和(自身を除く): 222306260

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 61, 82, 92, 115, 122, 149, 164, 205, 230, 244, 298, 305, 410, 460, 596, 610, 745, 820, 943, 1220, 1403, 1490, 1886, 2501, 2806, 2980, 3427, 3772, 4715, 5002, 5612, 6109, 6854, 7015, 9089, 9430, 10004, 12218, 12505, 13708, 14030, 17135, 18178, 18860, 24436, 25010, 28060, 30545, 34270, 36356, 45445, 50020, 57523, 61090, 68540, 90890, 115046, 122180, 140507, 181780, 209047, 230092, 281014, 287615, 372649, 418094, 562028, 575230, 702535, 745298, 836188, 1045235, 1150460, 1405070, 1490596, 1863245, 2090470, 2810140, 3726490, 4180940, 7452980, 8570927, 17141854, 34283708, 42854635, 85709270, 171418540]

約数ペア:

[(1, 171418540), (2, 85709270), (4, 42854635), (5, 34283708), (10, 17141854), (20, 8570927), (23, 7452980), (41, 4180940), (46, 3726490), (61, 2810140), (82, 2090470), (92, 1863245), (115, 1490596), (122, 1405070), (149, 1150460), (164, 1045235), (205, 836188), (230, 745298), (244, 702535), (298, 575230), (305, 562028), (410, 418094), (460, 372649), (596, 287615), (610, 281014), (745, 230092), (820, 209047), (943, 181780), (1220, 140507), (1403, 122180), (1490, 115046), (1886, 90890), (2501, 68540), (2806, 61090), (2980, 57523), (3427, 50020), (3772, 45445), (4715, 36356), (5002, 34270), (5612, 30545), (6109, 28060), (6854, 25010), (7015, 24436), (9089, 18860), (9430, 18178), (10004, 17135), (12218, 14030), (12505, 13708)]