2912995220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{140453}}^1$

素因数の和:140540

約数の個数: 48

約数和(自身を含む): 6583359888

約数和(自身を除く): 3670364668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 10370, 20740, 140453, 280906, 561812, 702265, 1404530, 2387701, 2809060, 4775402, 8567633, 9550804, 11938505, 17135266, 23877010, 34270532, 42838165, 47754020, 85676330, 145649761, 171352660, 291299522, 582599044, 728248805, 1456497610, 2912995220]

約数ペア:

[(1, 2912995220), (2, 1456497610), (4, 728248805), (5, 582599044), (10, 291299522), (17, 171352660), (20, 145649761), (34, 85676330), (61, 47754020), (68, 42838165), (85, 34270532), (122, 23877010), (170, 17135266), (244, 11938505), (305, 9550804), (340, 8567633), (610, 4775402), (1037, 2809060), (1220, 2387701), (2074, 1404530), (4148, 702265), (5185, 561812), (10370, 280906), (20740, 140453)]