1391498240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:864

約数の個数: 176

約数和(自身を含む): 3763597824

約数和(自身を除く): 2372099584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 512, 620, 640, 682, 704, 797, 880, 992, 1024, 1240, 1280, 1364, 1408, 1594, 1705, 1760, 1984, 2480, 2560, 2728, 2816, 3188, 3410, 3520, 3968, 3985, 4960, 5120, 5456, 5632, 6376, 6820, 7040, 7936, 7970, 8767, 9920, 10912, 11264, 12752, 13640, 14080, 15872, 15940, 17534, 19840, 21824, 24707, 25504, 27280, 28160, 31744, 31880, 35068, 39680, 43648, 43835, 49414, 51008, 54560, 56320, 63760, 70136, 79360, 87296, 87670, 98828, 102016, 109120, 123535, 127520, 140272, 158720, 174592, 175340, 197656, 204032, 218240, 247070, 255040, 271777, 280544, 349184, 350680, 395312, 408064, 436480, 494140, 510080, 543554, 561088, 701360, 790624, 816128, 872960, 988280, 1020160, 1087108, 1122176, 1358885, 1402720, 1581248, 1745920, 1976560, 2040320, 2174216, 2244352, 2717770, 2805440, 3162496, 3953120, 4080640, 4348432, 4488704, 5435540, 5610880, 6324992, 7906240, 8696864, 8977408, 10871080, 11221760, 12649984, 15812480, 17393728, 21742160, 22443520, 25299968, 31624960, 34787456, 43484320, 44887040, 63249920, 69574912, 86968640, 126499840, 139149824, 173937280, 278299648, 347874560, 695749120, 1391498240]

約数ペア:

[(1, 1391498240), (2, 695749120), (4, 347874560), (5, 278299648), (8, 173937280), (10, 139149824), (11, 126499840), (16, 86968640), (20, 69574912), (22, 63249920), (31, 44887040), (32, 43484320), (40, 34787456), (44, 31624960), (55, 25299968), (62, 22443520), (64, 21742160), (80, 17393728), (88, 15812480), (110, 12649984), (124, 11221760), (128, 10871080), (155, 8977408), (160, 8696864), (176, 7906240), (220, 6324992), (248, 5610880), (256, 5435540), (310, 4488704), (320, 4348432), (341, 4080640), (352, 3953120), (440, 3162496), (496, 2805440), (512, 2717770), (620, 2244352), (640, 2174216), (682, 2040320), (704, 1976560), (797, 1745920), (880, 1581248), (992, 1402720), (1024, 1358885), (1240, 1122176), (1280, 1087108), (1364, 1020160), (1408, 988280), (1594, 872960), (1705, 816128), (1760, 790624), (1984, 701360), (2480, 561088), (2560, 543554), (2728, 510080), (2816, 494140), (3188, 436480), (3410, 408064), (3520, 395312), (3968, 350680), (3985, 349184), (4960, 280544), (5120, 271777), (5456, 255040), (5632, 247070), (6376, 218240), (6820, 204032), (7040, 197656), (7936, 175340), (7970, 174592), (8767, 158720), (9920, 140272), (10912, 127520), (11264, 123535), (12752, 109120), (13640, 102016), (14080, 98828), (15872, 87670), (15940, 87296), (17534, 79360), (19840, 70136), (21824, 63760), (24707, 56320), (25504, 54560), (27280, 51008), (28160, 49414), (31744, 43835), (31880, 43648), (35068, 39680)]