199981390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 441492480

約数和(自身を除く): 241511090

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 43, 58, 70, 79, 86, 145, 158, 203, 215, 290, 301, 395, 406, 430, 553, 602, 790, 841, 1015, 1106, 1247, 1505, 1682, 2030, 2291, 2494, 2765, 3010, 3397, 4205, 4582, 5530, 5887, 6235, 6794, 8410, 8729, 11455, 11774, 12470, 16037, 16985, 17458, 22910, 23779, 29435, 32074, 33970, 36163, 43645, 47558, 58870, 66439, 72326, 80185, 87290, 98513, 118895, 132878, 160370, 180815, 197026, 237790, 253141, 332195, 361630, 465073, 492565, 506282, 664390, 689591, 930146, 985130, 1265705, 1379182, 2325365, 2531410, 2856877, 3447955, 4650730, 5713754, 6895910, 14284385, 19998139, 28568770, 39996278, 99990695, 199981390]

約数ペア:

[(1, 199981390), (2, 99990695), (5, 39996278), (7, 28568770), (10, 19998139), (14, 14284385), (29, 6895910), (35, 5713754), (43, 4650730), (58, 3447955), (70, 2856877), (79, 2531410), (86, 2325365), (145, 1379182), (158, 1265705), (203, 985130), (215, 930146), (290, 689591), (301, 664390), (395, 506282), (406, 492565), (430, 465073), (553, 361630), (602, 332195), (790, 253141), (841, 237790), (1015, 197026), (1106, 180815), (1247, 160370), (1505, 132878), (1682, 118895), (2030, 98513), (2291, 87290), (2494, 80185), (2765, 72326), (3010, 66439), (3397, 58870), (4205, 47558), (4582, 43645), (5530, 36163), (5887, 33970), (6235, 32074), (6794, 29435), (8410, 23779), (8729, 22910), (11455, 17458), (11774, 16985), (12470, 16037)]