30291436

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 62782720

約数和(自身を除く): 32491284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 139, 172, 181, 278, 301, 362, 556, 602, 724, 973, 1204, 1267, 1946, 2534, 3892, 5068, 5977, 7783, 11954, 15566, 23908, 25159, 31132, 41839, 50318, 54481, 83678, 100636, 108962, 167356, 176113, 217924, 352226, 704452, 1081837, 2163674, 4327348, 7572859, 15145718, 30291436]

約数ペア:

[(1, 30291436), (2, 15145718), (4, 7572859), (7, 4327348), (14, 2163674), (28, 1081837), (43, 704452), (86, 352226), (139, 217924), (172, 176113), (181, 167356), (278, 108962), (301, 100636), (362, 83678), (556, 54481), (602, 50318), (724, 41839), (973, 31132), (1204, 25159), (1267, 23908), (1946, 15566), (2534, 11954), (3892, 7783), (5068, 5977)]