1140260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 2685312

約数和(自身を除く): 1545052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 73, 110, 142, 146, 220, 284, 292, 355, 365, 710, 730, 781, 803, 1420, 1460, 1562, 1606, 3124, 3212, 3905, 4015, 5183, 7810, 8030, 10366, 15620, 16060, 20732, 25915, 51830, 57013, 103660, 114026, 228052, 285065, 570130, 1140260]

約数ペア:

[(1, 1140260), (2, 570130), (4, 285065), (5, 228052), (10, 114026), (11, 103660), (20, 57013), (22, 51830), (44, 25915), (55, 20732), (71, 16060), (73, 15620), (110, 10366), (142, 8030), (146, 7810), (220, 5183), (284, 4015), (292, 3905), (355, 3212), (365, 3124), (710, 1606), (730, 1562), (781, 1460), (803, 1420)]