90702865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 134265600

約数和(自身を除く): 43562735

約数列:

[1, 5, 11, 19, 29, 41, 55, 73, 95, 145, 205, 209, 319, 365, 451, 551, 779, 803, 1045, 1189, 1387, 1595, 2117, 2255, 2755, 2993, 3895, 4015, 5945, 6061, 6935, 8569, 10585, 13079, 14965, 15257, 22591, 23287, 30305, 32923, 40223, 42845, 56867, 65395, 76285, 86797, 112955, 116435, 164615, 201115, 248501, 284335, 433985, 442453, 625537, 954767, 1242505, 1649143, 2212265, 3127685, 4773835, 8245715, 18140573, 90702865]

約数ペア:

[(1, 90702865), (5, 18140573), (11, 8245715), (19, 4773835), (29, 3127685), (41, 2212265), (55, 1649143), (73, 1242505), (95, 954767), (145, 625537), (205, 442453), (209, 433985), (319, 284335), (365, 248501), (451, 201115), (551, 164615), (779, 116435), (803, 112955), (1045, 86797), (1189, 76285), (1387, 65395), (1595, 56867), (2117, 42845), (2255, 40223), (2755, 32923), (2993, 30305), (3895, 23287), (4015, 22591), (5945, 15257), (6061, 14965), (6935, 13079), (8569, 10585)]