159464228

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2065

約数の個数: 72

約数和(自身を含む): 363888000

約数和(自身を除く): 204423772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 49, 74, 77, 98, 148, 154, 196, 259, 308, 407, 518, 539, 814, 1036, 1078, 1628, 1813, 1999, 2156, 2849, 3626, 3998, 5698, 7252, 7996, 11396, 13993, 19943, 21989, 27986, 39886, 43978, 55972, 73963, 79772, 87956, 97951, 147926, 153923, 195902, 295852, 307846, 391804, 517741, 615692, 813593, 1035482, 1077461, 1627186, 2070964, 2154922, 3254372, 3624187, 4309844, 5695151, 7248374, 11390302, 14496748, 22780604, 39866057, 79732114, 159464228]

約数ペア:

[(1, 159464228), (2, 79732114), (4, 39866057), (7, 22780604), (11, 14496748), (14, 11390302), (22, 7248374), (28, 5695151), (37, 4309844), (44, 3624187), (49, 3254372), (74, 2154922), (77, 2070964), (98, 1627186), (148, 1077461), (154, 1035482), (196, 813593), (259, 615692), (308, 517741), (407, 391804), (518, 307846), (539, 295852), (814, 195902), (1036, 153923), (1078, 147926), (1628, 97951), (1813, 87956), (1999, 79772), (2156, 73963), (2849, 55972), (3626, 43978), (3998, 39886), (5698, 27986), (7252, 21989), (7996, 19943), (11396, 13993)]