199569720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1231}}^1$

素因数の和:1445

約数の個数: 128

約数和(自身を含む): 688343040

約数和(自身を除く): 488773320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 193, 210, 280, 386, 420, 579, 772, 840, 965, 1158, 1231, 1351, 1544, 1930, 2316, 2462, 2702, 2895, 3693, 3860, 4053, 4632, 4924, 5404, 5790, 6155, 6755, 7386, 7720, 8106, 8617, 9848, 10808, 11580, 12310, 13510, 14772, 16212, 17234, 18465, 20265, 23160, 24620, 25851, 27020, 29544, 32424, 34468, 36930, 40530, 43085, 49240, 51702, 54040, 68936, 73860, 81060, 86170, 103404, 129255, 147720, 162120, 172340, 206808, 237583, 258510, 344680, 475166, 517020, 712749, 950332, 1034040, 1187915, 1425498, 1663081, 1900664, 2375830, 2850996, 3326162, 3563745, 4751660, 4989243, 5701992, 6652324, 7127490, 8315405, 9503320, 9978486, 13304648, 14254980, 16630810, 19956972, 24946215, 28509960, 33261620, 39913944, 49892430, 66523240, 99784860, 199569720]

約数ペア:

[(1, 199569720), (2, 99784860), (3, 66523240), (4, 49892430), (5, 39913944), (6, 33261620), (7, 28509960), (8, 24946215), (10, 19956972), (12, 16630810), (14, 14254980), (15, 13304648), (20, 9978486), (21, 9503320), (24, 8315405), (28, 7127490), (30, 6652324), (35, 5701992), (40, 4989243), (42, 4751660), (56, 3563745), (60, 3326162), (70, 2850996), (84, 2375830), (105, 1900664), (120, 1663081), (140, 1425498), (168, 1187915), (193, 1034040), (210, 950332), (280, 712749), (386, 517020), (420, 475166), (579, 344680), (772, 258510), (840, 237583), (965, 206808), (1158, 172340), (1231, 162120), (1351, 147720), (1544, 129255), (1930, 103404), (2316, 86170), (2462, 81060), (2702, 73860), (2895, 68936), (3693, 54040), (3860, 51702), (4053, 49240), (4632, 43085), (4924, 40530), (5404, 36930), (5790, 34468), (6155, 32424), (6755, 29544), (7386, 27020), (7720, 25851), (8106, 24620), (8617, 23160), (9848, 20265), (10808, 18465), (11580, 17234), (12310, 16212), (13510, 14772)]