66622850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:480

約数の個数: 72

約数和(自身を含む): 146562048

約数和(自身を除く): 79939198

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 71, 98, 142, 175, 245, 350, 355, 383, 490, 497, 710, 766, 994, 1225, 1775, 1915, 2450, 2485, 2681, 3479, 3550, 3830, 4970, 5362, 6958, 9575, 12425, 13405, 17395, 18767, 19150, 24850, 26810, 27193, 34790, 37534, 54386, 67025, 86975, 93835, 134050, 135965, 173950, 187670, 190351, 271930, 380702, 469175, 679825, 938350, 951755, 1332457, 1359650, 1903510, 2664914, 4758775, 6662285, 9517550, 13324570, 33311425, 66622850]

約数ペア:

[(1, 66622850), (2, 33311425), (5, 13324570), (7, 9517550), (10, 6662285), (14, 4758775), (25, 2664914), (35, 1903510), (49, 1359650), (50, 1332457), (70, 951755), (71, 938350), (98, 679825), (142, 469175), (175, 380702), (245, 271930), (350, 190351), (355, 187670), (383, 173950), (490, 135965), (497, 134050), (710, 93835), (766, 86975), (994, 67025), (1225, 54386), (1775, 37534), (1915, 34790), (2450, 27193), (2485, 26810), (2681, 24850), (3479, 19150), (3550, 18767), (3830, 17395), (4970, 13405), (5362, 12425), (6958, 9575)]