2218011460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{20029}}^1$

素因数の和:20165

約数の個数: 72

約数和(自身を含む): 5466507480

約数和(自身を除く): 3248496020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 980, 1130, 1582, 2260, 3164, 3955, 5537, 7910, 11074, 15820, 20029, 22148, 27685, 40058, 55370, 80116, 100145, 110740, 140203, 200290, 280406, 400580, 560812, 701015, 981421, 1402030, 1962842, 2263277, 2804060, 3925684, 4526554, 4907105, 9053108, 9814210, 11316385, 15842939, 19628420, 22632770, 31685878, 45265540, 63371756, 79214695, 110900573, 158429390, 221801146, 316858780, 443602292, 554502865, 1109005730, 2218011460]

約数ペア:

[(1, 2218011460), (2, 1109005730), (4, 554502865), (5, 443602292), (7, 316858780), (10, 221801146), (14, 158429390), (20, 110900573), (28, 79214695), (35, 63371756), (49, 45265540), (70, 31685878), (98, 22632770), (113, 19628420), (140, 15842939), (196, 11316385), (226, 9814210), (245, 9053108), (452, 4907105), (490, 4526554), (565, 3925684), (791, 2804060), (980, 2263277), (1130, 1962842), (1582, 1402030), (2260, 981421), (3164, 701015), (3955, 560812), (5537, 400580), (7910, 280406), (11074, 200290), (15820, 140203), (20029, 110740), (22148, 100145), (27685, 80116), (40058, 55370)]