402783290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{442619}}^1$

素因数の和:442646

約数の個数: 32

約数和(自身を含む): 892321920

約数和(自身を除く): 489538630

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 442619, 885238, 2213095, 3098333, 4426190, 5754047, 6196666, 11508094, 15491665, 28770235, 30983330, 40278329, 57540470, 80556658, 201391645, 402783290]

約数ペア:

[(1, 402783290), (2, 201391645), (5, 80556658), (7, 57540470), (10, 40278329), (13, 30983330), (14, 28770235), (26, 15491665), (35, 11508094), (65, 6196666), (70, 5754047), (91, 4426190), (130, 3098333), (182, 2213095), (455, 885238), (910, 442619)]