40870900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:486

約数の個数: 108

約数和(自身を含む): 108847200

約数和(自身を除く): 67976300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 140, 175, 190, 196, 245, 266, 350, 380, 439, 475, 490, 532, 665, 700, 878, 931, 950, 980, 1225, 1330, 1756, 1862, 1900, 2195, 2450, 2660, 3073, 3325, 3724, 4390, 4655, 4900, 6146, 6650, 8341, 8780, 9310, 10975, 12292, 13300, 15365, 16682, 18620, 21511, 21950, 23275, 30730, 33364, 41705, 43022, 43900, 46550, 58387, 61460, 76825, 83410, 86044, 93100, 107555, 116774, 153650, 166820, 208525, 215110, 233548, 291935, 307300, 408709, 417050, 430220, 537775, 583870, 817418, 834100, 1075550, 1167740, 1459675, 1634836, 2043545, 2151100, 2919350, 4087090, 5838700, 8174180, 10217725, 20435450, 40870900]

約数ペア:

[(1, 40870900), (2, 20435450), (4, 10217725), (5, 8174180), (7, 5838700), (10, 4087090), (14, 2919350), (19, 2151100), (20, 2043545), (25, 1634836), (28, 1459675), (35, 1167740), (38, 1075550), (49, 834100), (50, 817418), (70, 583870), (76, 537775), (95, 430220), (98, 417050), (100, 408709), (133, 307300), (140, 291935), (175, 233548), (190, 215110), (196, 208525), (245, 166820), (266, 153650), (350, 116774), (380, 107555), (439, 93100), (475, 86044), (490, 83410), (532, 76825), (665, 61460), (700, 58387), (878, 46550), (931, 43900), (950, 43022), (980, 41705), (1225, 33364), (1330, 30730), (1756, 23275), (1862, 21950), (1900, 21511), (2195, 18620), (2450, 16682), (2660, 15365), (3073, 13300), (3325, 12292), (3724, 10975), (4390, 9310), (4655, 8780), (4900, 8341), (6146, 6650)]