220347136

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 463080464

約数和(自身を除く): 242733328

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 64, 74, 86, 128, 148, 172, 256, 296, 344, 541, 592, 688, 1082, 1184, 1376, 1591, 2164, 2368, 2752, 3182, 4328, 4736, 5504, 6364, 8656, 9472, 11008, 12728, 17312, 20017, 23263, 25456, 34624, 40034, 46526, 50912, 69248, 80068, 93052, 101824, 138496, 160136, 186104, 203648, 320272, 372208, 407296, 640544, 744416, 860731, 1281088, 1488832, 1721462, 2562176, 2977664, 3442924, 5124352, 5955328, 6885848, 13771696, 27543392, 55086784, 110173568, 220347136]

約数ペア:

[(1, 220347136), (2, 110173568), (4, 55086784), (8, 27543392), (16, 13771696), (32, 6885848), (37, 5955328), (43, 5124352), (64, 3442924), (74, 2977664), (86, 2562176), (128, 1721462), (148, 1488832), (172, 1281088), (256, 860731), (296, 744416), (344, 640544), (541, 407296), (592, 372208), (688, 320272), (1082, 203648), (1184, 186104), (1376, 160136), (1591, 138496), (2164, 101824), (2368, 93052), (2752, 80068), (3182, 69248), (4328, 50912), (4736, 46526), (5504, 40034), (6364, 34624), (8656, 25456), (9472, 23263), (11008, 20017), (12728, 17312)]