162090775

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 266661504

約数和(自身を除く): 104570729

約数列:

[1, 5, 7, 11, 23, 25, 35, 49, 55, 77, 115, 161, 175, 245, 253, 275, 385, 523, 539, 575, 805, 1127, 1225, 1265, 1771, 1925, 2615, 2695, 3661, 4025, 5635, 5753, 6325, 8855, 12029, 12397, 13075, 13475, 18305, 25627, 28175, 28765, 40271, 44275, 60145, 61985, 84203, 91525, 128135, 132319, 143825, 201355, 281897, 300725, 309925, 421015, 589421, 640675, 661595, 926233, 1006775, 1409485, 2105075, 2947105, 3307975, 4631165, 6483631, 7047425, 14735525, 23155825, 32418155, 162090775]

約数ペア:

[(1, 162090775), (5, 32418155), (7, 23155825), (11, 14735525), (23, 7047425), (25, 6483631), (35, 4631165), (49, 3307975), (55, 2947105), (77, 2105075), (115, 1409485), (161, 1006775), (175, 926233), (245, 661595), (253, 640675), (275, 589421), (385, 421015), (523, 309925), (539, 300725), (575, 281897), (805, 201355), (1127, 143825), (1225, 132319), (1265, 128135), (1771, 91525), (1925, 84203), (2615, 61985), (2695, 60145), (3661, 44275), (4025, 40271), (5635, 28765), (5753, 28175), (6325, 25627), (8855, 18305), (12029, 13475), (12397, 13075)]