2789038880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:523

約数の個数: 192

約数和(自身を含む): 7322192640

約数和(自身を除く): 4533153760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 113, 115, 152, 160, 184, 190, 226, 230, 304, 353, 368, 380, 437, 452, 460, 565, 608, 706, 736, 760, 874, 904, 920, 1130, 1412, 1520, 1748, 1765, 1808, 1840, 2147, 2185, 2260, 2599, 2824, 3040, 3496, 3530, 3616, 3680, 4294, 4370, 4520, 5198, 5648, 6707, 6992, 7060, 8119, 8588, 8740, 9040, 10396, 10735, 11296, 12995, 13414, 13984, 14120, 16238, 17176, 17480, 18080, 20792, 21470, 25990, 26828, 28240, 32476, 33535, 34352, 34960, 39889, 40595, 41584, 42940, 49381, 51980, 53656, 56480, 64952, 67070, 68704, 69920, 79778, 81190, 83168, 85880, 98762, 103960, 107312, 129904, 134140, 154261, 159556, 162380, 171760, 197524, 199445, 207920, 214624, 246905, 259808, 268280, 308522, 319112, 324760, 343520, 395048, 398890, 415840, 493810, 536560, 617044, 638224, 649520, 757891, 771305, 790096, 797780, 917447, 987620, 1073120, 1234088, 1276448, 1299040, 1515782, 1542610, 1580192, 1595560, 1834894, 1975240, 2468176, 3031564, 3085220, 3191120, 3669788, 3789455, 3950480, 4587235, 4936352, 6063128, 6170440, 6382240, 7339576, 7578910, 7900960, 9174470, 12126256, 12340880, 14679152, 15157820, 17431493, 18348940, 24252512, 24681760, 29358304, 30315640, 34862986, 36697880, 60631280, 69725972, 73395760, 87157465, 121262560, 139451944, 146791520, 174314930, 278903888, 348629860, 557807776, 697259720, 1394519440, 2789038880]

約数ペア:

[(1, 2789038880), (2, 1394519440), (4, 697259720), (5, 557807776), (8, 348629860), (10, 278903888), (16, 174314930), (19, 146791520), (20, 139451944), (23, 121262560), (32, 87157465), (38, 73395760), (40, 69725972), (46, 60631280), (76, 36697880), (80, 34862986), (92, 30315640), (95, 29358304), (113, 24681760), (115, 24252512), (152, 18348940), (160, 17431493), (184, 15157820), (190, 14679152), (226, 12340880), (230, 12126256), (304, 9174470), (353, 7900960), (368, 7578910), (380, 7339576), (437, 6382240), (452, 6170440), (460, 6063128), (565, 4936352), (608, 4587235), (706, 3950480), (736, 3789455), (760, 3669788), (874, 3191120), (904, 3085220), (920, 3031564), (1130, 2468176), (1412, 1975240), (1520, 1834894), (1748, 1595560), (1765, 1580192), (1808, 1542610), (1840, 1515782), (2147, 1299040), (2185, 1276448), (2260, 1234088), (2599, 1073120), (2824, 987620), (3040, 917447), (3496, 797780), (3530, 790096), (3616, 771305), (3680, 757891), (4294, 649520), (4370, 638224), (4520, 617044), (5198, 536560), (5648, 493810), (6707, 415840), (6992, 398890), (7060, 395048), (8119, 343520), (8588, 324760), (8740, 319112), (9040, 308522), (10396, 268280), (10735, 259808), (11296, 246905), (12995, 214624), (13414, 207920), (13984, 199445), (14120, 197524), (16238, 171760), (17176, 162380), (17480, 159556), (18080, 154261), (20792, 134140), (21470, 129904), (25990, 107312), (26828, 103960), (28240, 98762), (32476, 85880), (33535, 83168), (34352, 81190), (34960, 79778), (39889, 69920), (40595, 68704), (41584, 67070), (42940, 64952), (49381, 56480), (51980, 53656)]