308906240

素因数分解:

$2^8\times 5^1\times {\mathrm{241333}}^1$

素因数の和:241354

約数の個数: 36

約数和(自身を含む): 739930044

約数和(自身を除く): 431023804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 241333, 482666, 965332, 1206665, 1930664, 2413330, 3861328, 4826660, 7722656, 9653320, 15445312, 19306640, 30890624, 38613280, 61781248, 77226560, 154453120, 308906240]

約数ペア:

[(1, 308906240), (2, 154453120), (4, 77226560), (5, 61781248), (8, 38613280), (10, 30890624), (16, 19306640), (20, 15445312), (32, 9653320), (40, 7722656), (64, 4826660), (80, 3861328), (128, 2413330), (160, 1930664), (256, 1206665), (320, 965332), (640, 482666), (1280, 241333)]