308518420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{5113}}^1$

素因数の和:5560

約数の個数: 48

約数和(自身を含む): 742307328

約数和(自身を除く): 433788908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1724, 2155, 3017, 4310, 5113, 6034, 8620, 10226, 12068, 15085, 20452, 25565, 30170, 35791, 51130, 60340, 71582, 102260, 143164, 178955, 357910, 715820, 2203703, 4407406, 8814812, 11018515, 15425921, 22037030, 30851842, 44074060, 61703684, 77129605, 154259210, 308518420]

約数ペア:

[(1, 308518420), (2, 154259210), (4, 77129605), (5, 61703684), (7, 44074060), (10, 30851842), (14, 22037030), (20, 15425921), (28, 11018515), (35, 8814812), (70, 4407406), (140, 2203703), (431, 715820), (862, 357910), (1724, 178955), (2155, 143164), (3017, 102260), (4310, 71582), (5113, 60340), (6034, 51130), (8620, 35791), (10226, 30170), (12068, 25565), (15085, 20452)]