1938989920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 192

約数和(自身を含む): 5392904832

約数和(自身を除く): 3453914912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 101, 112, 122, 140, 160, 202, 224, 244, 280, 281, 305, 404, 427, 488, 505, 560, 562, 610, 707, 808, 854, 976, 1010, 1120, 1124, 1220, 1405, 1414, 1616, 1708, 1952, 1967, 2020, 2135, 2248, 2440, 2810, 2828, 3232, 3416, 3535, 3934, 4040, 4270, 4496, 4880, 5620, 5656, 6161, 6832, 7070, 7868, 8080, 8540, 8992, 9760, 9835, 11240, 11312, 12322, 13664, 14140, 15736, 16160, 17080, 17141, 19670, 22480, 22624, 24644, 28280, 28381, 30805, 31472, 34160, 34282, 39340, 43127, 44960, 49288, 56560, 56762, 61610, 62944, 68320, 68564, 78680, 85705, 86254, 98576, 113120, 113524, 119987, 123220, 137128, 141905, 157360, 171410, 172508, 197152, 198667, 215635, 227048, 239974, 246440, 274256, 283810, 314720, 342820, 345016, 397334, 431270, 454096, 479948, 492880, 548512, 567620, 599935, 685640, 690032, 794668, 862540, 908192, 959896, 985760, 993335, 1135240, 1199870, 1371280, 1380064, 1589336, 1725080, 1731241, 1919792, 1986670, 2270480, 2399740, 2742560, 3178672, 3450160, 3462482, 3839584, 3973340, 4540960, 4799480, 6357344, 6900320, 6924964, 7946680, 8656205, 9598960, 12118687, 13849928, 15893360, 17312410, 19197920, 24237374, 27699856, 31786720, 34624820, 48474748, 55399712, 60593435, 69249640, 96949496, 121186870, 138499280, 193898992, 242373740, 276998560, 387797984, 484747480, 969494960, 1938989920]

約数ペア:

[(1, 1938989920), (2, 969494960), (4, 484747480), (5, 387797984), (7, 276998560), (8, 242373740), (10, 193898992), (14, 138499280), (16, 121186870), (20, 96949496), (28, 69249640), (32, 60593435), (35, 55399712), (40, 48474748), (56, 34624820), (61, 31786720), (70, 27699856), (80, 24237374), (101, 19197920), (112, 17312410), (122, 15893360), (140, 13849928), (160, 12118687), (202, 9598960), (224, 8656205), (244, 7946680), (280, 6924964), (281, 6900320), (305, 6357344), (404, 4799480), (427, 4540960), (488, 3973340), (505, 3839584), (560, 3462482), (562, 3450160), (610, 3178672), (707, 2742560), (808, 2399740), (854, 2270480), (976, 1986670), (1010, 1919792), (1120, 1731241), (1124, 1725080), (1220, 1589336), (1405, 1380064), (1414, 1371280), (1616, 1199870), (1708, 1135240), (1952, 993335), (1967, 985760), (2020, 959896), (2135, 908192), (2248, 862540), (2440, 794668), (2810, 690032), (2828, 685640), (3232, 599935), (3416, 567620), (3535, 548512), (3934, 492880), (4040, 479948), (4270, 454096), (4496, 431270), (4880, 397334), (5620, 345016), (5656, 342820), (6161, 314720), (6832, 283810), (7070, 274256), (7868, 246440), (8080, 239974), (8540, 227048), (8992, 215635), (9760, 198667), (9835, 197152), (11240, 172508), (11312, 171410), (12322, 157360), (13664, 141905), (14140, 137128), (15736, 123220), (16160, 119987), (17080, 113524), (17141, 113120), (19670, 98576), (22480, 86254), (22624, 85705), (24644, 78680), (28280, 68564), (28381, 68320), (30805, 62944), (31472, 61610), (34160, 56762), (34282, 56560), (39340, 49288), (43127, 44960)]