29887100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 54

約数和(自身を含む): 67230072

約数和(自身を除く): 37342972

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 311, 620, 622, 775, 961, 1244, 1550, 1555, 1922, 3100, 3110, 3844, 4805, 6220, 7775, 9610, 9641, 15550, 19220, 19282, 24025, 31100, 38564, 48050, 48205, 96100, 96410, 192820, 241025, 298871, 482050, 597742, 964100, 1195484, 1494355, 2988710, 5977420, 7471775, 14943550, 29887100]

約数ペア:

[(1, 29887100), (2, 14943550), (4, 7471775), (5, 5977420), (10, 2988710), (20, 1494355), (25, 1195484), (31, 964100), (50, 597742), (62, 482050), (100, 298871), (124, 241025), (155, 192820), (310, 96410), (311, 96100), (620, 48205), (622, 48050), (775, 38564), (961, 31100), (1244, 24025), (1550, 19282), (1555, 19220), (1922, 15550), (3100, 9641), (3110, 9610), (3844, 7775), (4805, 6220)]