87708775

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 144526464

約数和(自身を除く): 56817689

約数列:

[1, 5, 7, 11, 23, 25, 35, 49, 55, 77, 115, 161, 175, 245, 253, 275, 283, 385, 539, 575, 805, 1127, 1225, 1265, 1415, 1771, 1925, 1981, 2695, 3113, 4025, 5635, 6325, 6509, 7075, 8855, 9905, 12397, 13475, 13867, 15565, 21791, 28175, 32545, 44275, 45563, 49525, 61985, 69335, 71599, 77825, 108955, 152537, 162725, 227815, 309925, 318941, 346675, 357995, 501193, 544775, 762685, 1139075, 1594705, 1789975, 2505965, 3508351, 3813425, 7973525, 12529825, 17541755, 87708775]

約数ペア:

[(1, 87708775), (5, 17541755), (7, 12529825), (11, 7973525), (23, 3813425), (25, 3508351), (35, 2505965), (49, 1789975), (55, 1594705), (77, 1139075), (115, 762685), (161, 544775), (175, 501193), (245, 357995), (253, 346675), (275, 318941), (283, 309925), (385, 227815), (539, 162725), (575, 152537), (805, 108955), (1127, 77825), (1225, 71599), (1265, 69335), (1415, 61985), (1771, 49525), (1925, 45563), (1981, 44275), (2695, 32545), (3113, 28175), (4025, 21791), (5635, 15565), (6325, 13867), (6509, 13475), (7075, 12397), (8855, 9905)]