168413420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16943}}^1$

素因数の和:17030

約数の個数: 48

約数和(自身を含む): 409909248

約数和(自身を除く): 241495828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 16943, 33886, 67772, 84715, 118601, 169430, 237202, 338860, 474404, 593005, 1186010, 1202953, 2372020, 2405906, 4811812, 6014765, 8420671, 12029530, 16841342, 24059060, 33682684, 42103355, 84206710, 168413420]

約数ペア:

[(1, 168413420), (2, 84206710), (4, 42103355), (5, 33682684), (7, 24059060), (10, 16841342), (14, 12029530), (20, 8420671), (28, 6014765), (35, 4811812), (70, 2405906), (71, 2372020), (140, 1202953), (142, 1186010), (284, 593005), (355, 474404), (497, 338860), (710, 237202), (994, 169430), (1420, 118601), (1988, 84715), (2485, 67772), (4970, 33886), (9940, 16943)]