289430116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 546840000

約数和(自身を除く): 257409884

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 149, 244, 298, 419, 596, 838, 1159, 1676, 2318, 2831, 4636, 5662, 7961, 9089, 11324, 15922, 18178, 25559, 31844, 36356, 51118, 62431, 102236, 124862, 172691, 249724, 345382, 485621, 690764, 971242, 1186189, 1942484, 2372378, 3808291, 4744756, 7616582, 15233164, 72357529, 144715058, 289430116]

約数ペア:

[(1, 289430116), (2, 144715058), (4, 72357529), (19, 15233164), (38, 7616582), (61, 4744756), (76, 3808291), (122, 2372378), (149, 1942484), (244, 1186189), (298, 971242), (419, 690764), (596, 485621), (838, 345382), (1159, 249724), (1676, 172691), (2318, 124862), (2831, 102236), (4636, 62431), (5662, 51118), (7961, 36356), (9089, 31844), (11324, 25559), (15922, 18178)]