56705740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4487

約数の個数: 72

約数和(自身を含む): 149213232

約数和(自身を除く): 92507492

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, 2548, 3185, 4451, 6370, 8902, 12740, 17804, 22255, 31157, 44510, 57863, 62314, 89020, 115726, 124628, 155785, 218099, 231452, 289315, 311570, 405041, 436198, 578630, 623140, 810082, 872396, 1090495, 1157260, 1620164, 2025205, 2180990, 2835287, 4050410, 4361980, 5670574, 8100820, 11341148, 14176435, 28352870, 56705740]

約数ペア:

[(1, 56705740), (2, 28352870), (4, 14176435), (5, 11341148), (7, 8100820), (10, 5670574), (13, 4361980), (14, 4050410), (20, 2835287), (26, 2180990), (28, 2025205), (35, 1620164), (49, 1157260), (52, 1090495), (65, 872396), (70, 810082), (91, 623140), (98, 578630), (130, 436198), (140, 405041), (182, 311570), (196, 289315), (245, 231452), (260, 218099), (364, 155785), (455, 124628), (490, 115726), (637, 89020), (910, 62314), (980, 57863), (1274, 44510), (1820, 31157), (2548, 22255), (3185, 17804), (4451, 12740), (6370, 8902)]