223890280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1493}}^1$

素因数の和:1690

約数の個数: 64

約数和(自身を含む): 529234560

約数和(自身を除く): 305344280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 163, 184, 230, 326, 460, 652, 815, 920, 1304, 1493, 1630, 2986, 3260, 3749, 5972, 6520, 7465, 7498, 11944, 14930, 14996, 18745, 29860, 29992, 34339, 37490, 59720, 68678, 74980, 137356, 149960, 171695, 243359, 274712, 343390, 486718, 686780, 973436, 1216795, 1373560, 1946872, 2433590, 4867180, 5597257, 9734360, 11194514, 22389028, 27986285, 44778056, 55972570, 111945140, 223890280]

約数ペア:

[(1, 223890280), (2, 111945140), (4, 55972570), (5, 44778056), (8, 27986285), (10, 22389028), (20, 11194514), (23, 9734360), (40, 5597257), (46, 4867180), (92, 2433590), (115, 1946872), (163, 1373560), (184, 1216795), (230, 973436), (326, 686780), (460, 486718), (652, 343390), (815, 274712), (920, 243359), (1304, 171695), (1493, 149960), (1630, 137356), (2986, 74980), (3260, 68678), (3749, 59720), (5972, 37490), (6520, 34339), (7465, 29992), (7498, 29860), (11944, 18745), (14930, 14996)]