407390300

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{41999}}^1$

素因数の和:42110

約数の個数: 36

約数和(自身を含む): 893172000

約数和(自身を除く): 485781700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 4850, 9700, 41999, 83998, 167996, 209995, 419990, 839980, 1049975, 2099950, 4073903, 4199900, 8147806, 16295612, 20369515, 40739030, 81478060, 101847575, 203695150, 407390300]

約数ペア:

[(1, 407390300), (2, 203695150), (4, 101847575), (5, 81478060), (10, 40739030), (20, 20369515), (25, 16295612), (50, 8147806), (97, 4199900), (100, 4073903), (194, 2099950), (388, 1049975), (485, 839980), (970, 419990), (1940, 209995), (2425, 167996), (4850, 83998), (9700, 41999)]