418520900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12721}}^1$

素因数の和:12789

約数の個数: 72

約数和(自身を含む): 1060098816

約数和(自身を除く): 641577916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 658, 700, 940, 1175, 1316, 1645, 2350, 3290, 4700, 6580, 8225, 12721, 16450, 25442, 32900, 50884, 63605, 89047, 127210, 178094, 254420, 318025, 356188, 445235, 597887, 636050, 890470, 1195774, 1272100, 1780940, 2226175, 2391548, 2989435, 4185209, 4452350, 5978870, 8370418, 8904700, 11957740, 14947175, 16740836, 20926045, 29894350, 41852090, 59788700, 83704180, 104630225, 209260450, 418520900]

約数ペア:

[(1, 418520900), (2, 209260450), (4, 104630225), (5, 83704180), (7, 59788700), (10, 41852090), (14, 29894350), (20, 20926045), (25, 16740836), (28, 14947175), (35, 11957740), (47, 8904700), (50, 8370418), (70, 5978870), (94, 4452350), (100, 4185209), (140, 2989435), (175, 2391548), (188, 2226175), (235, 1780940), (329, 1272100), (350, 1195774), (470, 890470), (658, 636050), (700, 597887), (940, 445235), (1175, 356188), (1316, 318025), (1645, 254420), (2350, 178094), (3290, 127210), (4700, 89047), (6580, 63605), (8225, 50884), (12721, 32900), (16450, 25442)]