29884720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19661}}^1$

素因数の和:19693

約数の個数: 40

約数和(自身を含む): 73142640

約数和(自身を除く): 43257920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19661, 39322, 78644, 98305, 157288, 196610, 314576, 373559, 393220, 747118, 786440, 1494236, 1572880, 1867795, 2988472, 3735590, 5976944, 7471180, 14942360, 29884720]

約数ペア:

[(1, 29884720), (2, 14942360), (4, 7471180), (5, 5976944), (8, 3735590), (10, 2988472), (16, 1867795), (19, 1572880), (20, 1494236), (38, 786440), (40, 747118), (76, 393220), (80, 373559), (95, 314576), (152, 196610), (190, 157288), (304, 98305), (380, 78644), (760, 39322), (1520, 19661)]