139285000

素因数分解:

$2^3\times 5^4\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 331065900

約数和(自身を除く): 191780900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 200, 250, 313, 356, 445, 500, 625, 626, 712, 890, 1000, 1250, 1252, 1565, 1780, 2225, 2500, 2504, 3130, 3560, 4450, 5000, 6260, 7825, 8900, 11125, 12520, 15650, 17800, 22250, 27857, 31300, 39125, 44500, 55625, 55714, 62600, 78250, 89000, 111250, 111428, 139285, 156500, 195625, 222500, 222856, 278570, 313000, 391250, 445000, 557140, 696425, 782500, 1114280, 1392850, 1565000, 2785700, 3482125, 5571400, 6964250, 13928500, 17410625, 27857000, 34821250, 69642500, 139285000]

約数ペア:

[(1, 139285000), (2, 69642500), (4, 34821250), (5, 27857000), (8, 17410625), (10, 13928500), (20, 6964250), (25, 5571400), (40, 3482125), (50, 2785700), (89, 1565000), (100, 1392850), (125, 1114280), (178, 782500), (200, 696425), (250, 557140), (313, 445000), (356, 391250), (445, 313000), (500, 278570), (625, 222856), (626, 222500), (712, 195625), (890, 156500), (1000, 139285), (1250, 111428), (1252, 111250), (1565, 89000), (1780, 78250), (2225, 62600), (2500, 55714), (2504, 55625), (3130, 44500), (3560, 39125), (4450, 31300), (5000, 27857), (6260, 22250), (7825, 17800), (8900, 15650), (11125, 12520)]