78018850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1319}}^1$

素因数の和:1364

約数の個数: 72

約数和(自身を含む): 179720640

約数和(自身を除く): 101701790

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 169, 175, 182, 325, 338, 350, 455, 650, 845, 910, 1183, 1319, 1690, 2275, 2366, 2638, 4225, 4550, 5915, 6595, 8450, 9233, 11830, 13190, 17147, 18466, 29575, 32975, 34294, 46165, 59150, 65950, 85735, 92330, 120029, 171470, 222911, 230825, 240058, 428675, 445822, 461650, 600145, 857350, 1114555, 1200290, 1560377, 2229110, 3000725, 3120754, 5572775, 6001450, 7801885, 11145550, 15603770, 39009425, 78018850]

約数ペア:

[(1, 78018850), (2, 39009425), (5, 15603770), (7, 11145550), (10, 7801885), (13, 6001450), (14, 5572775), (25, 3120754), (26, 3000725), (35, 2229110), (50, 1560377), (65, 1200290), (70, 1114555), (91, 857350), (130, 600145), (169, 461650), (175, 445822), (182, 428675), (325, 240058), (338, 230825), (350, 222911), (455, 171470), (650, 120029), (845, 92330), (910, 85735), (1183, 65950), (1319, 59150), (1690, 46165), (2275, 34294), (2366, 32975), (2638, 29575), (4225, 18466), (4550, 17147), (5915, 13190), (6595, 11830), (8450, 9233)]