201979720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{937}}^1$

素因数の和:1282

約数の個数: 64

約数和(自身を含む): 483220080

約数和(自身を除く): 281240360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 317, 340, 634, 680, 937, 1268, 1585, 1874, 2536, 3170, 3748, 4685, 5389, 6340, 7496, 9370, 10778, 12680, 15929, 18740, 21556, 26945, 31858, 37480, 43112, 53890, 63716, 79645, 107780, 127432, 159290, 215560, 297029, 318580, 594058, 637160, 1188116, 1485145, 2376232, 2970290, 5049493, 5940580, 10098986, 11881160, 20197972, 25247465, 40395944, 50494930, 100989860, 201979720]

約数ペア:

[(1, 201979720), (2, 100989860), (4, 50494930), (5, 40395944), (8, 25247465), (10, 20197972), (17, 11881160), (20, 10098986), (34, 5940580), (40, 5049493), (68, 2970290), (85, 2376232), (136, 1485145), (170, 1188116), (317, 637160), (340, 594058), (634, 318580), (680, 297029), (937, 215560), (1268, 159290), (1585, 127432), (1874, 107780), (2536, 79645), (3170, 63716), (3748, 53890), (4685, 43112), (5389, 37480), (6340, 31858), (7496, 26945), (9370, 21556), (10778, 18740), (12680, 15929)]