199695800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{1039}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 480214800

約数和(自身を除く): 280519000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 961, 1039, 1240, 1550, 1922, 2078, 3100, 3844, 4156, 4805, 5195, 6200, 7688, 8312, 9610, 10390, 19220, 20780, 24025, 25975, 32209, 38440, 41560, 48050, 51950, 64418, 96100, 103900, 128836, 161045, 192200, 207800, 257672, 322090, 644180, 805225, 998479, 1288360, 1610450, 1996958, 3220900, 3993916, 4992395, 6441800, 7987832, 9984790, 19969580, 24961975, 39939160, 49923950, 99847900, 199695800]

約数ペア:

[(1, 199695800), (2, 99847900), (4, 49923950), (5, 39939160), (8, 24961975), (10, 19969580), (20, 9984790), (25, 7987832), (31, 6441800), (40, 4992395), (50, 3993916), (62, 3220900), (100, 1996958), (124, 1610450), (155, 1288360), (200, 998479), (248, 805225), (310, 644180), (620, 322090), (775, 257672), (961, 207800), (1039, 192200), (1240, 161045), (1550, 128836), (1922, 103900), (2078, 96100), (3100, 64418), (3844, 51950), (4156, 48050), (4805, 41560), (5195, 38440), (6200, 32209), (7688, 25975), (8312, 24025), (9610, 20780), (10390, 19220)]