205440340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5113}}^1$

素因数の和:5177

約数の個数: 72

約数和(自身を含む): 514202472

約数和(自身を除く): 308762132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5113, 5740, 8036, 10045, 10226, 20090, 20452, 25565, 35791, 40180, 51130, 71582, 102260, 143164, 178955, 209633, 250537, 357910, 419266, 501074, 715820, 838532, 1002148, 1048165, 1252685, 1467431, 2096330, 2505370, 2934862, 4192660, 5010740, 5869724, 7337155, 10272017, 14674310, 20544034, 29348620, 41088068, 51360085, 102720170, 205440340]

約数ペア:

[(1, 205440340), (2, 102720170), (4, 51360085), (5, 41088068), (7, 29348620), (10, 20544034), (14, 14674310), (20, 10272017), (28, 7337155), (35, 5869724), (41, 5010740), (49, 4192660), (70, 2934862), (82, 2505370), (98, 2096330), (140, 1467431), (164, 1252685), (196, 1048165), (205, 1002148), (245, 838532), (287, 715820), (410, 501074), (490, 419266), (574, 357910), (820, 250537), (980, 209633), (1148, 178955), (1435, 143164), (2009, 102260), (2870, 71582), (4018, 51130), (5113, 40180), (5740, 35791), (8036, 25565), (10045, 20452), (10226, 20090)]