68897420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7883}}^1$

素因数の和:7934

約数の個数: 48

約数和(自身を含む): 158941440

約数和(自身を除く): 90044020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 7883, 8740, 15766, 31532, 39415, 78830, 149777, 157660, 181309, 299554, 362618, 599108, 725236, 748885, 906545, 1497770, 1813090, 2995540, 3444871, 3626180, 6889742, 13779484, 17224355, 34448710, 68897420]

約数ペア:

[(1, 68897420), (2, 34448710), (4, 17224355), (5, 13779484), (10, 6889742), (19, 3626180), (20, 3444871), (23, 2995540), (38, 1813090), (46, 1497770), (76, 906545), (92, 748885), (95, 725236), (115, 599108), (190, 362618), (230, 299554), (380, 181309), (437, 157660), (460, 149777), (874, 78830), (1748, 39415), (2185, 31532), (4370, 15766), (7883, 8740)]