30990736

素因数分解:

$2^4\times 7^3\times {\mathrm{5647}}^1$

素因数の和:5676

約数の個数: 40

約数和(自身を含む): 70035200

約数和(自身を除く): 39044464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 5647, 11294, 22588, 39529, 45176, 79058, 90352, 158116, 276703, 316232, 553406, 632464, 1106812, 1936921, 2213624, 3873842, 4427248, 7747684, 15495368, 30990736]

約数ペア:

[(1, 30990736), (2, 15495368), (4, 7747684), (7, 4427248), (8, 3873842), (14, 2213624), (16, 1936921), (28, 1106812), (49, 632464), (56, 553406), (98, 316232), (112, 276703), (196, 158116), (343, 90352), (392, 79058), (686, 45176), (784, 39529), (1372, 22588), (2744, 11294), (5488, 5647)]