1900984890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{4993}}^1$

素因数の和:5061

約数の個数: 128

約数和(自身を含む): 5465433600

約数和(自身を除く): 3564448710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 49, 70, 74, 98, 105, 111, 147, 185, 210, 222, 245, 259, 294, 343, 370, 490, 518, 555, 686, 735, 777, 1029, 1110, 1295, 1470, 1554, 1715, 1813, 2058, 2590, 3430, 3626, 3885, 4993, 5145, 5439, 7770, 9065, 9986, 10290, 10878, 12691, 14979, 18130, 24965, 25382, 27195, 29958, 34951, 38073, 49930, 54390, 63455, 69902, 74895, 76146, 104853, 126910, 149790, 174755, 184741, 190365, 209706, 244657, 349510, 369482, 380730, 489314, 524265, 554223, 733971, 923705, 1048530, 1108446, 1223285, 1293187, 1467942, 1712599, 1847410, 2446570, 2586374, 2771115, 3425198, 3669855, 3879561, 5137797, 5542230, 6465935, 7339710, 7759122, 8562995, 9052309, 10275594, 12931870, 17125990, 18104618, 19397805, 25688985, 27156927, 38795610, 45261545, 51377970, 54313854, 63366163, 90523090, 126732326, 135784635, 190098489, 271569270, 316830815, 380196978, 633661630, 950492445, 1900984890]

約数ペア:

[(1, 1900984890), (2, 950492445), (3, 633661630), (5, 380196978), (6, 316830815), (7, 271569270), (10, 190098489), (14, 135784635), (15, 126732326), (21, 90523090), (30, 63366163), (35, 54313854), (37, 51377970), (42, 45261545), (49, 38795610), (70, 27156927), (74, 25688985), (98, 19397805), (105, 18104618), (111, 17125990), (147, 12931870), (185, 10275594), (210, 9052309), (222, 8562995), (245, 7759122), (259, 7339710), (294, 6465935), (343, 5542230), (370, 5137797), (490, 3879561), (518, 3669855), (555, 3425198), (686, 2771115), (735, 2586374), (777, 2446570), (1029, 1847410), (1110, 1712599), (1295, 1467942), (1470, 1293187), (1554, 1223285), (1715, 1108446), (1813, 1048530), (2058, 923705), (2590, 733971), (3430, 554223), (3626, 524265), (3885, 489314), (4993, 380730), (5145, 369482), (5439, 349510), (7770, 244657), (9065, 209706), (9986, 190365), (10290, 184741), (10878, 174755), (12691, 149790), (14979, 126910), (18130, 104853), (24965, 76146), (25382, 74895), (27195, 69902), (29958, 63455), (34951, 54390), (38073, 49930)]