1998420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1753}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 5893440

約数和(自身を除く): 3895020

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, 1753, 3506, 5259, 7012, 8765, 10518, 17530, 21036, 26295, 33307, 35060, 52590, 66614, 99921, 105180, 133228, 166535, 199842, 333070, 399684, 499605, 666140, 999210, 1998420]

約数ペア:

[(1, 1998420), (2, 999210), (3, 666140), (4, 499605), (5, 399684), (6, 333070), (10, 199842), (12, 166535), (15, 133228), (19, 105180), (20, 99921), (30, 66614), (38, 52590), (57, 35060), (60, 33307), (76, 26295), (95, 21036), (114, 17530), (190, 10518), (228, 8765), (285, 7012), (380, 5259), (570, 3506), (1140, 1753)]