82144580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:901

約数の個数: 72

約数和(自身を含む): 202771800

約数和(自身を除く): 120627220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 769, 980, 1090, 1526, 1538, 2180, 3052, 3076, 3815, 3845, 5341, 5383, 7630, 7690, 10682, 10766, 15260, 15380, 21364, 21532, 26705, 26915, 37681, 53410, 53830, 75362, 83821, 106820, 107660, 150724, 167642, 188405, 335284, 376810, 419105, 586747, 753620, 838210, 1173494, 1676420, 2346988, 2933735, 4107229, 5867470, 8214458, 11734940, 16428916, 20536145, 41072290, 82144580]

約数ペア:

[(1, 82144580), (2, 41072290), (4, 20536145), (5, 16428916), (7, 11734940), (10, 8214458), (14, 5867470), (20, 4107229), (28, 2933735), (35, 2346988), (49, 1676420), (70, 1173494), (98, 838210), (109, 753620), (140, 586747), (196, 419105), (218, 376810), (245, 335284), (436, 188405), (490, 167642), (545, 150724), (763, 107660), (769, 106820), (980, 83821), (1090, 75362), (1526, 53830), (1538, 53410), (2180, 37681), (3052, 26915), (3076, 26705), (3815, 21532), (3845, 21364), (5341, 15380), (5383, 15260), (7630, 10766), (7690, 10682)]