984783280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^4\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 100

約数和(自身を含む): 2486171232

約数和(自身を除く): 1501387952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 431, 520, 676, 845, 862, 1040, 1352, 1690, 1724, 2155, 2197, 2704, 3380, 3448, 4310, 4394, 5603, 6760, 6896, 8620, 8788, 10985, 11206, 13520, 17240, 17576, 21970, 22412, 28015, 28561, 34480, 35152, 43940, 44824, 56030, 57122, 72839, 87880, 89648, 112060, 114244, 142805, 145678, 175760, 224120, 228488, 285610, 291356, 364195, 448240, 456976, 571220, 582712, 728390, 946907, 1142440, 1165424, 1456780, 1893814, 2284880, 2913560, 3787628, 4734535, 5827120, 7575256, 9469070, 12309791, 15150512, 18938140, 24619582, 37876280, 49239164, 61548955, 75752560, 98478328, 123097910, 196956656, 246195820, 492391640, 984783280]

約数ペア:

[(1, 984783280), (2, 492391640), (4, 246195820), (5, 196956656), (8, 123097910), (10, 98478328), (13, 75752560), (16, 61548955), (20, 49239164), (26, 37876280), (40, 24619582), (52, 18938140), (65, 15150512), (80, 12309791), (104, 9469070), (130, 7575256), (169, 5827120), (208, 4734535), (260, 3787628), (338, 2913560), (431, 2284880), (520, 1893814), (676, 1456780), (845, 1165424), (862, 1142440), (1040, 946907), (1352, 728390), (1690, 582712), (1724, 571220), (2155, 456976), (2197, 448240), (2704, 364195), (3380, 291356), (3448, 285610), (4310, 228488), (4394, 224120), (5603, 175760), (6760, 145678), (6896, 142805), (8620, 114244), (8788, 112060), (10985, 89648), (11206, 87880), (13520, 72839), (17240, 57122), (17576, 56030), (21970, 44824), (22412, 43940), (28015, 35152), (28561, 34480)]