40280450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:468

約数の個数: 72

約数和(自身を含む): 89502084

約数和(自身を除く): 49221634

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 82, 98, 175, 205, 245, 287, 350, 401, 410, 490, 574, 802, 1025, 1225, 1435, 2005, 2009, 2050, 2450, 2807, 2870, 4010, 4018, 5614, 7175, 10025, 10045, 14035, 14350, 16441, 19649, 20050, 20090, 28070, 32882, 39298, 50225, 70175, 82205, 98245, 100450, 115087, 140350, 164410, 196490, 230174, 411025, 491225, 575435, 805609, 822050, 982450, 1150870, 1611218, 2877175, 4028045, 5754350, 8056090, 20140225, 40280450]

約数ペア:

[(1, 40280450), (2, 20140225), (5, 8056090), (7, 5754350), (10, 4028045), (14, 2877175), (25, 1611218), (35, 1150870), (41, 982450), (49, 822050), (50, 805609), (70, 575435), (82, 491225), (98, 411025), (175, 230174), (205, 196490), (245, 164410), (287, 140350), (350, 115087), (401, 100450), (410, 98245), (490, 82205), (574, 70175), (802, 50225), (1025, 39298), (1225, 32882), (1435, 28070), (2005, 20090), (2009, 20050), (2050, 19649), (2450, 16441), (2807, 14350), (2870, 14035), (4010, 10045), (4018, 10025), (5614, 7175)]