201259000

素因数分解:

$2^3\times 5^3\times {\mathrm{313}}^1\times {\mathrm{643}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 473185440

約数和(自身を除く): 271926440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 313, 500, 626, 643, 1000, 1252, 1286, 1565, 2504, 2572, 3130, 3215, 5144, 6260, 6430, 7825, 12520, 12860, 15650, 16075, 25720, 31300, 32150, 39125, 62600, 64300, 78250, 80375, 128600, 156500, 160750, 201259, 313000, 321500, 402518, 643000, 805036, 1006295, 1610072, 2012590, 4025180, 5031475, 8050360, 10062950, 20125900, 25157375, 40251800, 50314750, 100629500, 201259000]

約数ペア:

[(1, 201259000), (2, 100629500), (4, 50314750), (5, 40251800), (8, 25157375), (10, 20125900), (20, 10062950), (25, 8050360), (40, 5031475), (50, 4025180), (100, 2012590), (125, 1610072), (200, 1006295), (250, 805036), (313, 643000), (500, 402518), (626, 321500), (643, 313000), (1000, 201259), (1252, 160750), (1286, 156500), (1565, 128600), (2504, 80375), (2572, 78250), (3130, 64300), (3215, 62600), (5144, 39125), (6260, 32150), (6430, 31300), (7825, 25720), (12520, 16075), (12860, 15650)]