205727300

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 457304064

約数和(自身を除く): 251576764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 127, 167, 194, 254, 334, 388, 485, 508, 635, 668, 835, 970, 1270, 1670, 1940, 2425, 2540, 3175, 3340, 4175, 4850, 6350, 8350, 9700, 12319, 12700, 16199, 16700, 21209, 24638, 32398, 42418, 49276, 61595, 64796, 80995, 84836, 106045, 123190, 161990, 212090, 246380, 307975, 323980, 404975, 424180, 530225, 615950, 809950, 1060450, 1231900, 1619900, 2057273, 2120900, 4114546, 8229092, 10286365, 20572730, 41145460, 51431825, 102863650, 205727300]

約数ペア:

[(1, 205727300), (2, 102863650), (4, 51431825), (5, 41145460), (10, 20572730), (20, 10286365), (25, 8229092), (50, 4114546), (97, 2120900), (100, 2057273), (127, 1619900), (167, 1231900), (194, 1060450), (254, 809950), (334, 615950), (388, 530225), (485, 424180), (508, 404975), (635, 323980), (668, 307975), (835, 246380), (970, 212090), (1270, 161990), (1670, 123190), (1940, 106045), (2425, 84836), (2540, 80995), (3175, 64796), (3340, 61595), (4175, 49276), (4850, 42418), (6350, 32398), (8350, 24638), (9700, 21209), (12319, 16700), (12700, 16199)]