394710512

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 899942400

約数和(自身を除く): 505231888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 167, 188, 329, 334, 376, 449, 658, 668, 752, 898, 1169, 1316, 1336, 1796, 2338, 2632, 2672, 3143, 3592, 4676, 5264, 6286, 7184, 7849, 9352, 12572, 15698, 18704, 21103, 25144, 31396, 42206, 50288, 54943, 62792, 74983, 84412, 109886, 125584, 147721, 149966, 168824, 219772, 295442, 299932, 337648, 439544, 524881, 590884, 599864, 879088, 1049762, 1181768, 1199728, 2099524, 2363536, 3524201, 4199048, 7048402, 8398096, 14096804, 24669407, 28193608, 49338814, 56387216, 98677628, 197355256, 394710512]

約数ペア:

[(1, 394710512), (2, 197355256), (4, 98677628), (7, 56387216), (8, 49338814), (14, 28193608), (16, 24669407), (28, 14096804), (47, 8398096), (56, 7048402), (94, 4199048), (112, 3524201), (167, 2363536), (188, 2099524), (329, 1199728), (334, 1181768), (376, 1049762), (449, 879088), (658, 599864), (668, 590884), (752, 524881), (898, 439544), (1169, 337648), (1316, 299932), (1336, 295442), (1796, 219772), (2338, 168824), (2632, 149966), (2672, 147721), (3143, 125584), (3592, 109886), (4676, 84412), (5264, 74983), (6286, 62792), (7184, 54943), (7849, 50288), (9352, 42206), (12572, 31396), (15698, 25144), (18704, 21103)]