281279420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{32183}}^1$

素因数の和:32234

約数の個数: 48

約数和(自身を含む): 648829440

約数和(自身を除く): 367550020

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, 8740, 32183, 64366, 128732, 160915, 321830, 611477, 643660, 740209, 1222954, 1480418, 2445908, 2960836, 3057385, 3701045, 6114770, 7402090, 12229540, 14063971, 14804180, 28127942, 56255884, 70319855, 140639710, 281279420]

約数ペア:

[(1, 281279420), (2, 140639710), (4, 70319855), (5, 56255884), (10, 28127942), (19, 14804180), (20, 14063971), (23, 12229540), (38, 7402090), (46, 6114770), (76, 3701045), (92, 3057385), (95, 2960836), (115, 2445908), (190, 1480418), (230, 1222954), (380, 740209), (437, 643660), (460, 611477), (874, 321830), (1748, 160915), (2185, 128732), (4370, 64366), (8740, 32183)]