154964980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{673}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 337997520

約数和(自身を除く): 183032540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 397, 580, 673, 794, 1346, 1588, 1985, 2692, 3365, 3970, 6730, 7940, 11513, 13460, 19517, 23026, 39034, 46052, 57565, 78068, 97585, 115130, 195170, 230260, 267181, 390340, 534362, 1068724, 1335905, 2671810, 5343620, 7748249, 15496498, 30992996, 38741245, 77482490, 154964980]

約数ペア:

[(1, 154964980), (2, 77482490), (4, 38741245), (5, 30992996), (10, 15496498), (20, 7748249), (29, 5343620), (58, 2671810), (116, 1335905), (145, 1068724), (290, 534362), (397, 390340), (580, 267181), (673, 230260), (794, 195170), (1346, 115130), (1588, 97585), (1985, 78068), (2692, 57565), (3365, 46052), (3970, 39034), (6730, 23026), (7940, 19517), (11513, 13460)]