30205136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7643}}^1$

素因数の和:7683

約数の個数: 40

約数和(自身を含む): 66349920

約数和(自身を除く): 36144784

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 7643, 15286, 30572, 61144, 99359, 122288, 145217, 198718, 290434, 397436, 580868, 794872, 1161736, 1589744, 1887821, 2323472, 3775642, 7551284, 15102568, 30205136]

約数ペア:

[(1, 30205136), (2, 15102568), (4, 7551284), (8, 3775642), (13, 2323472), (16, 1887821), (19, 1589744), (26, 1161736), (38, 794872), (52, 580868), (76, 397436), (104, 290434), (152, 198718), (208, 145217), (247, 122288), (304, 99359), (494, 61144), (988, 30572), (1976, 15286), (3952, 7643)]