205037410

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 402278400

約数和(自身を除く): 197240990

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 149, 155, 193, 230, 298, 310, 386, 713, 745, 965, 1426, 1490, 1930, 3427, 3565, 4439, 4619, 5983, 6854, 7130, 8878, 9238, 11966, 17135, 22195, 23095, 28757, 29915, 34270, 44390, 46190, 57514, 59830, 106237, 137609, 143785, 212474, 275218, 287570, 531185, 661411, 688045, 891467, 1062370, 1322822, 1376090, 1782934, 3307055, 4457335, 6614110, 8914670, 20503741, 41007482, 102518705, 205037410]

約数ペア:

[(1, 205037410), (2, 102518705), (5, 41007482), (10, 20503741), (23, 8914670), (31, 6614110), (46, 4457335), (62, 3307055), (115, 1782934), (149, 1376090), (155, 1322822), (193, 1062370), (230, 891467), (298, 688045), (310, 661411), (386, 531185), (713, 287570), (745, 275218), (965, 212474), (1426, 143785), (1490, 137609), (1930, 106237), (3427, 59830), (3565, 57514), (4439, 46190), (4619, 44390), (5983, 34270), (6854, 29915), (7130, 28757), (8878, 23095), (9238, 22195), (11966, 17135)]