206139790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 405627264

約数和(自身を除く): 199487474

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 137, 167, 170, 265, 274, 334, 530, 685, 835, 901, 1370, 1670, 1802, 2329, 2839, 4505, 4658, 5678, 7261, 8851, 9010, 11645, 14195, 14522, 17702, 22879, 23290, 28390, 36305, 44255, 45758, 72610, 88510, 114395, 123437, 150467, 228790, 246874, 300934, 388943, 617185, 752335, 777886, 1212587, 1234370, 1504670, 1944715, 2425174, 3889430, 6062935, 12125870, 20613979, 41227958, 103069895, 206139790]

約数ペア:

[(1, 206139790), (2, 103069895), (5, 41227958), (10, 20613979), (17, 12125870), (34, 6062935), (53, 3889430), (85, 2425174), (106, 1944715), (137, 1504670), (167, 1234370), (170, 1212587), (265, 777886), (274, 752335), (334, 617185), (530, 388943), (685, 300934), (835, 246874), (901, 228790), (1370, 150467), (1670, 123437), (1802, 114395), (2329, 88510), (2839, 72610), (4505, 45758), (4658, 44255), (5678, 36305), (7261, 28390), (8851, 23290), (9010, 22879), (11645, 17702), (14195, 14522)]