2780452048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 5954976000

約数和(自身を除く): 3174523952

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 149, 176, 229, 298, 458, 463, 596, 916, 926, 1192, 1639, 1832, 1852, 2384, 2519, 3278, 3664, 3704, 5038, 5093, 6556, 7408, 10076, 10186, 13112, 20152, 20372, 26224, 34121, 40304, 40744, 68242, 68987, 81488, 106027, 136484, 137974, 212054, 272968, 275948, 375331, 424108, 545936, 551896, 750662, 758857, 848216, 1103792, 1166297, 1501324, 1517714, 1696432, 2332594, 3002648, 3035428, 4665188, 6005296, 6070856, 9330376, 12141712, 15798023, 18660752, 31596046, 63192092, 126384184, 173778253, 252768368, 347556506, 695113012, 1390226024, 2780452048]

約数ペア:

[(1, 2780452048), (2, 1390226024), (4, 695113012), (8, 347556506), (11, 252768368), (16, 173778253), (22, 126384184), (44, 63192092), (88, 31596046), (149, 18660752), (176, 15798023), (229, 12141712), (298, 9330376), (458, 6070856), (463, 6005296), (596, 4665188), (916, 3035428), (926, 3002648), (1192, 2332594), (1639, 1696432), (1832, 1517714), (1852, 1501324), (2384, 1166297), (2519, 1103792), (3278, 848216), (3664, 758857), (3704, 750662), (5038, 551896), (5093, 545936), (6556, 424108), (7408, 375331), (10076, 275948), (10186, 272968), (13112, 212054), (20152, 137974), (20372, 136484), (26224, 106027), (34121, 81488), (40304, 68987), (40744, 68242)]