853074540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{249437}}^1$

素因数の和:249471

約数の個数: 72

約数和(自身を含む): 2723862960

約数和(自身を除く): 1870788420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 249437, 498874, 748311, 997748, 1247185, 1496622, 2244933, 2494370, 2993244, 3741555, 4489866, 4739303, 4988740, 7483110, 8979732, 9478606, 11224665, 14217909, 14966220, 18957212, 22449330, 23696515, 28435818, 42653727, 44898660, 47393030, 56871636, 71089545, 85307454, 94786060, 142179090, 170614908, 213268635, 284358180, 426537270, 853074540]

約数ペア:

[(1, 853074540), (2, 426537270), (3, 284358180), (4, 213268635), (5, 170614908), (6, 142179090), (9, 94786060), (10, 85307454), (12, 71089545), (15, 56871636), (18, 47393030), (19, 44898660), (20, 42653727), (30, 28435818), (36, 23696515), (38, 22449330), (45, 18957212), (57, 14966220), (60, 14217909), (76, 11224665), (90, 9478606), (95, 8979732), (114, 7483110), (171, 4988740), (180, 4739303), (190, 4489866), (228, 3741555), (285, 2993244), (342, 2494370), (380, 2244933), (570, 1496622), (684, 1247185), (855, 997748), (1140, 748311), (1710, 498874), (3420, 249437)]