89418140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{91243}}^1$

素因数の和:91266

約数の個数: 36

約数和(自身を含む): 218438136

約数和(自身を除く): 129019996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 91243, 182486, 364972, 456215, 638701, 912430, 1277402, 1824860, 2554804, 3193505, 4470907, 6387010, 8941814, 12774020, 17883628, 22354535, 44709070, 89418140]

約数ペア:

[(1, 89418140), (2, 44709070), (4, 22354535), (5, 17883628), (7, 12774020), (10, 8941814), (14, 6387010), (20, 4470907), (28, 3193505), (35, 2554804), (49, 1824860), (70, 1277402), (98, 912430), (140, 638701), (196, 456215), (245, 364972), (490, 182486), (980, 91243)]