220193260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9769}}^1$

素因数の和:9815

約数の個数: 72

約数和(自身を含む): 561345120

約数和(自身を除く): 341151860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 9769, 11270, 19538, 22540, 39076, 48845, 68383, 97690, 136766, 195380, 224687, 273532, 341915, 449374, 478681, 683830, 898748, 957362, 1123435, 1367660, 1572809, 1914724, 2246870, 2393405, 3145618, 4493740, 4786810, 6291236, 7864045, 9573620, 11009663, 15728090, 22019326, 31456180, 44038652, 55048315, 110096630, 220193260]

約数ペア:

[(1, 220193260), (2, 110096630), (4, 55048315), (5, 44038652), (7, 31456180), (10, 22019326), (14, 15728090), (20, 11009663), (23, 9573620), (28, 7864045), (35, 6291236), (46, 4786810), (49, 4493740), (70, 3145618), (92, 2393405), (98, 2246870), (115, 1914724), (140, 1572809), (161, 1367660), (196, 1123435), (230, 957362), (245, 898748), (322, 683830), (460, 478681), (490, 449374), (644, 341915), (805, 273532), (980, 224687), (1127, 195380), (1610, 136766), (2254, 97690), (3220, 68383), (4508, 48845), (5635, 39076), (9769, 22540), (11270, 19538)]