28524860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2275

約数の個数: 72

約数和(自身を含む): 75075840

約数和(自身を除く): 46550980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2239, 2548, 3185, 4478, 6370, 8956, 11195, 12740, 15673, 22390, 29107, 31346, 44780, 58214, 62692, 78365, 109711, 116428, 145535, 156730, 203749, 219422, 291070, 313460, 407498, 438844, 548555, 582140, 814996, 1018745, 1097110, 1426243, 2037490, 2194220, 2852486, 4074980, 5704972, 7131215, 14262430, 28524860]

約数ペア:

[(1, 28524860), (2, 14262430), (4, 7131215), (5, 5704972), (7, 4074980), (10, 2852486), (13, 2194220), (14, 2037490), (20, 1426243), (26, 1097110), (28, 1018745), (35, 814996), (49, 582140), (52, 548555), (65, 438844), (70, 407498), (91, 313460), (98, 291070), (130, 219422), (140, 203749), (182, 156730), (196, 145535), (245, 116428), (260, 109711), (364, 78365), (455, 62692), (490, 58214), (637, 44780), (910, 31346), (980, 29107), (1274, 22390), (1820, 15673), (2239, 12740), (2548, 11195), (3185, 8956), (4478, 6370)]