100412780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2819}}^1$

素因数の和:2978

約数の個数: 48

約数和(自身を含む): 228826080

約数和(自身を除く): 128413300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 2819, 3562, 5638, 7124, 8905, 11276, 14095, 17810, 28190, 35620, 36647, 56380, 73294, 146588, 183235, 366470, 386203, 732940, 772406, 1544812, 1931015, 3862030, 5020639, 7724060, 10041278, 20082556, 25103195, 50206390, 100412780]

約数ペア:

[(1, 100412780), (2, 50206390), (4, 25103195), (5, 20082556), (10, 10041278), (13, 7724060), (20, 5020639), (26, 3862030), (52, 1931015), (65, 1544812), (130, 772406), (137, 732940), (260, 386203), (274, 366470), (548, 183235), (685, 146588), (1370, 73294), (1781, 56380), (2740, 36647), (2819, 35620), (3562, 28190), (5638, 17810), (7124, 14095), (8905, 11276)]