28804580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6637}}^1$

素因数の和:6684

約数の個数: 48

約数和(自身を含む): 71371776

約数和(自身を除く): 42567196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6637, 13274, 26548, 33185, 46459, 66370, 92918, 132740, 185836, 205747, 232295, 411494, 464590, 822988, 929180, 1028735, 1440229, 2057470, 2880458, 4114940, 5760916, 7201145, 14402290, 28804580]

約数ペア:

[(1, 28804580), (2, 14402290), (4, 7201145), (5, 5760916), (7, 4114940), (10, 2880458), (14, 2057470), (20, 1440229), (28, 1028735), (31, 929180), (35, 822988), (62, 464590), (70, 411494), (124, 232295), (140, 205747), (155, 185836), (217, 132740), (310, 92918), (434, 66370), (620, 46459), (868, 33185), (1085, 26548), (2170, 13274), (4340, 6637)]