489889280

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6173}}^1$

素因数の和:6227

約数の個数: 80

約数和(自身を含む): 1212672384

約数和(自身を除く): 722783104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 6173, 7936, 9920, 12346, 15872, 19840, 24692, 30865, 39680, 49384, 61730, 79360, 98768, 123460, 191363, 197536, 246920, 382726, 395072, 493840, 765452, 790144, 956815, 987680, 1530904, 1580288, 1913630, 1975360, 3061808, 3160576, 3827260, 3950720, 6123616, 7654520, 7901440, 12247232, 15309040, 15802880, 24494464, 30618080, 48988928, 61236160, 97977856, 122472320, 244944640, 489889280]

約数ペア:

[(1, 489889280), (2, 244944640), (4, 122472320), (5, 97977856), (8, 61236160), (10, 48988928), (16, 30618080), (20, 24494464), (31, 15802880), (32, 15309040), (40, 12247232), (62, 7901440), (64, 7654520), (80, 6123616), (124, 3950720), (128, 3827260), (155, 3160576), (160, 3061808), (248, 1975360), (256, 1913630), (310, 1580288), (320, 1530904), (496, 987680), (512, 956815), (620, 790144), (640, 765452), (992, 493840), (1240, 395072), (1280, 382726), (1984, 246920), (2480, 197536), (2560, 191363), (3968, 123460), (4960, 98768), (6173, 79360), (7936, 61730), (9920, 49384), (12346, 39680), (15872, 30865), (19840, 24692)]