166080700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 379225728

約数和(自身を除く): 213145028

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 163, 230, 326, 443, 460, 575, 652, 815, 886, 1150, 1630, 1772, 2215, 2300, 3260, 3749, 4075, 4430, 7498, 8150, 8860, 10189, 11075, 14996, 16300, 18745, 20378, 22150, 37490, 40756, 44300, 50945, 72209, 74980, 93725, 101890, 144418, 187450, 203780, 254725, 288836, 361045, 374900, 509450, 722090, 1018900, 1444180, 1660807, 1805225, 3321614, 3610450, 6643228, 7220900, 8304035, 16608070, 33216140, 41520175, 83040350, 166080700]

約数ペア:

[(1, 166080700), (2, 83040350), (4, 41520175), (5, 33216140), (10, 16608070), (20, 8304035), (23, 7220900), (25, 6643228), (46, 3610450), (50, 3321614), (92, 1805225), (100, 1660807), (115, 1444180), (163, 1018900), (230, 722090), (326, 509450), (443, 374900), (460, 361045), (575, 288836), (652, 254725), (815, 203780), (886, 187450), (1150, 144418), (1630, 101890), (1772, 93725), (2215, 74980), (2300, 72209), (3260, 50945), (3749, 44300), (4075, 40756), (4430, 37490), (7498, 22150), (8150, 20378), (8860, 18745), (10189, 16300), (11075, 14996)]