164803970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 320060160

約数和(自身を除く): 155256190

約数列:

[1, 2, 5, 10, 23, 46, 83, 89, 97, 115, 166, 178, 194, 230, 415, 445, 485, 830, 890, 970, 1909, 2047, 2231, 3818, 4094, 4462, 7387, 8051, 8633, 9545, 10235, 11155, 14774, 16102, 17266, 19090, 20470, 22310, 36935, 40255, 43165, 73870, 80510, 86330, 169901, 185173, 198559, 339802, 370346, 397118, 716539, 849505, 925865, 992795, 1433078, 1699010, 1851730, 1985590, 3582695, 7165390, 16480397, 32960794, 82401985, 164803970]

約数ペア:

[(1, 164803970), (2, 82401985), (5, 32960794), (10, 16480397), (23, 7165390), (46, 3582695), (83, 1985590), (89, 1851730), (97, 1699010), (115, 1433078), (166, 992795), (178, 925865), (194, 849505), (230, 716539), (415, 397118), (445, 370346), (485, 339802), (830, 198559), (890, 185173), (970, 169901), (1909, 86330), (2047, 80510), (2231, 73870), (3818, 43165), (4094, 40255), (4462, 36935), (7387, 22310), (8051, 20470), (8633, 19090), (9545, 17266), (10235, 16102), (11155, 14774)]