491119360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12377}}^1$

素因数の和:12429

約数の個数: 72

約数和(自身を含む): 1214430336

約数和(自身を除く): 723310976

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, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 12377, 19840, 24754, 39680, 49508, 61885, 99016, 123770, 198032, 247540, 383687, 396064, 495080, 767374, 792128, 990160, 1534748, 1584256, 1918435, 1980320, 3069496, 3168512, 3836870, 3960640, 6138992, 7673740, 7921280, 12277984, 15347480, 15842560, 24555968, 30694960, 49111936, 61389920, 98223872, 122779840, 245559680, 491119360]

約数ペア:

[(1, 491119360), (2, 245559680), (4, 122779840), (5, 98223872), (8, 61389920), (10, 49111936), (16, 30694960), (20, 24555968), (31, 15842560), (32, 15347480), (40, 12277984), (62, 7921280), (64, 7673740), (80, 6138992), (124, 3960640), (128, 3836870), (155, 3168512), (160, 3069496), (248, 1980320), (256, 1918435), (310, 1584256), (320, 1534748), (496, 990160), (620, 792128), (640, 767374), (992, 495080), (1240, 396064), (1280, 383687), (1984, 247540), (2480, 198032), (3968, 123770), (4960, 99016), (7936, 61885), (9920, 49508), (12377, 39680), (19840, 24754)]