188905980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{165707}}^1$

素因数の和:165738

約数の個数: 48

約数和(自身を含む): 556778880

約数和(自身を除く): 367872900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 165707, 331414, 497121, 662828, 828535, 994242, 1657070, 1988484, 2485605, 3148433, 3314140, 4971210, 6296866, 9445299, 9942420, 12593732, 15742165, 18890598, 31484330, 37781196, 47226495, 62968660, 94452990, 188905980]

約数ペア:

[(1, 188905980), (2, 94452990), (3, 62968660), (4, 47226495), (5, 37781196), (6, 31484330), (10, 18890598), (12, 15742165), (15, 12593732), (19, 9942420), (20, 9445299), (30, 6296866), (38, 4971210), (57, 3314140), (60, 3148433), (76, 2485605), (95, 1988484), (114, 1657070), (190, 994242), (228, 828535), (285, 662828), (380, 497121), (570, 331414), (1140, 165707)]