402420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 1189440

約数和(自身を除く): 787020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 353, 380, 570, 706, 1059, 1140, 1412, 1765, 2118, 3530, 4236, 5295, 6707, 7060, 10590, 13414, 20121, 21180, 26828, 33535, 40242, 67070, 80484, 100605, 134140, 201210, 402420]

約数ペア:

[(1, 402420), (2, 201210), (3, 134140), (4, 100605), (5, 80484), (6, 67070), (10, 40242), (12, 33535), (15, 26828), (19, 21180), (20, 20121), (30, 13414), (38, 10590), (57, 7060), (60, 6707), (76, 5295), (95, 4236), (114, 3530), (190, 2118), (228, 1765), (285, 1412), (353, 1140), (380, 1059), (570, 706)]