3994970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 8667648

約数和(自身を除く): 4672678

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 263, 310, 434, 490, 526, 1085, 1315, 1519, 1841, 2170, 2630, 3038, 3682, 7595, 8153, 9205, 12887, 15190, 16306, 18410, 25774, 40765, 57071, 64435, 81530, 114142, 128870, 285355, 399497, 570710, 798994, 1997485, 3994970]

約数ペア:

[(1, 3994970), (2, 1997485), (5, 798994), (7, 570710), (10, 399497), (14, 285355), (31, 128870), (35, 114142), (49, 81530), (62, 64435), (70, 57071), (98, 40765), (155, 25774), (217, 18410), (245, 16306), (263, 15190), (310, 12887), (434, 9205), (490, 8153), (526, 7595), (1085, 3682), (1315, 3038), (1519, 2630), (1841, 2170)]