440825840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3187}}^1$

素因数の和:3239

約数の個数: 160

約数和(自身を含む): 1328248320

約数和(自身を除く): 887422480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 520, 532, 560, 665, 728, 760, 910, 988, 1040, 1064, 1235, 1330, 1456, 1520, 1729, 1820, 1976, 2128, 2470, 2660, 3187, 3458, 3640, 3952, 4940, 5320, 6374, 6916, 7280, 8645, 9880, 10640, 12748, 13832, 15935, 17290, 19760, 22309, 25496, 27664, 31870, 34580, 41431, 44618, 50992, 60553, 63740, 69160, 82862, 89236, 111545, 121106, 127480, 138320, 165724, 178472, 207155, 223090, 242212, 254960, 290017, 302765, 331448, 356944, 414310, 423871, 446180, 484424, 580034, 605530, 662896, 787189, 828620, 847742, 892360, 968848, 1160068, 1211060, 1450085, 1574378, 1657240, 1695484, 1784720, 2119355, 2320136, 2422120, 2900170, 3148756, 3314480, 3390968, 3935945, 4238710, 4640272, 4844240, 5510323, 5800340, 6297512, 6781936, 7871890, 8477420, 11020646, 11600680, 12595024, 15743780, 16954840, 22041292, 23201360, 27551615, 31487560, 33909680, 44082584, 55103230, 62975120, 88165168, 110206460, 220412920, 440825840]

約数ペア:

[(1, 440825840), (2, 220412920), (4, 110206460), (5, 88165168), (7, 62975120), (8, 55103230), (10, 44082584), (13, 33909680), (14, 31487560), (16, 27551615), (19, 23201360), (20, 22041292), (26, 16954840), (28, 15743780), (35, 12595024), (38, 11600680), (40, 11020646), (52, 8477420), (56, 7871890), (65, 6781936), (70, 6297512), (76, 5800340), (80, 5510323), (91, 4844240), (95, 4640272), (104, 4238710), (112, 3935945), (130, 3390968), (133, 3314480), (140, 3148756), (152, 2900170), (182, 2422120), (190, 2320136), (208, 2119355), (247, 1784720), (260, 1695484), (266, 1657240), (280, 1574378), (304, 1450085), (364, 1211060), (380, 1160068), (455, 968848), (494, 892360), (520, 847742), (532, 828620), (560, 787189), (665, 662896), (728, 605530), (760, 580034), (910, 484424), (988, 446180), (1040, 423871), (1064, 414310), (1235, 356944), (1330, 331448), (1456, 302765), (1520, 290017), (1729, 254960), (1820, 242212), (1976, 223090), (2128, 207155), (2470, 178472), (2660, 165724), (3187, 138320), (3458, 127480), (3640, 121106), (3952, 111545), (4940, 89236), (5320, 82862), (6374, 69160), (6916, 63740), (7280, 60553), (8645, 50992), (9880, 44618), (10640, 41431), (12748, 34580), (13832, 31870), (15935, 27664), (17290, 25496), (19760, 22309)]