1329996250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:721

約数の個数: 80

約数和(自身を含む): 2738948256

約数和(自身を除く): 1408952006

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 197, 250, 275, 394, 491, 550, 625, 982, 985, 1250, 1375, 1970, 2167, 2455, 2750, 4334, 4910, 4925, 5401, 6875, 9850, 10802, 10835, 12275, 13750, 21670, 24550, 24625, 27005, 49250, 54010, 54175, 61375, 96727, 108350, 122750, 123125, 135025, 193454, 246250, 270050, 270875, 306875, 483635, 541750, 613750, 675125, 967270, 1063997, 1350250, 1354375, 2127994, 2418175, 2708750, 3375625, 4836350, 5319985, 6751250, 10639970, 12090875, 24181750, 26599925, 53199850, 60454375, 120908750, 132999625, 265999250, 664998125, 1329996250]

約数ペア:

[(1, 1329996250), (2, 664998125), (5, 265999250), (10, 132999625), (11, 120908750), (22, 60454375), (25, 53199850), (50, 26599925), (55, 24181750), (110, 12090875), (125, 10639970), (197, 6751250), (250, 5319985), (275, 4836350), (394, 3375625), (491, 2708750), (550, 2418175), (625, 2127994), (982, 1354375), (985, 1350250), (1250, 1063997), (1375, 967270), (1970, 675125), (2167, 613750), (2455, 541750), (2750, 483635), (4334, 306875), (4910, 270875), (4925, 270050), (5401, 246250), (6875, 193454), (9850, 135025), (10802, 123125), (10835, 122750), (12275, 108350), (13750, 96727), (21670, 61375), (24550, 54175), (24625, 54010), (27005, 49250)]