199445940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1153}}^1$

素因数の和:1230

約数の個数: 108

約数和(自身を含む): 625673412

約数和(自身を除く): 426227472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 961, 1116, 1153, 1395, 1860, 1922, 2306, 2790, 2883, 3459, 3844, 4612, 4805, 5580, 5765, 5766, 6918, 8649, 9610, 10377, 11530, 11532, 13836, 14415, 17295, 17298, 19220, 20754, 23060, 28830, 34590, 34596, 35743, 41508, 43245, 51885, 57660, 69180, 71486, 86490, 103770, 107229, 142972, 172980, 178715, 207540, 214458, 321687, 357430, 428916, 536145, 643374, 714860, 1072290, 1108033, 1286748, 1608435, 2144580, 2216066, 3216870, 3324099, 4432132, 5540165, 6433740, 6648198, 9972297, 11080330, 13296396, 16620495, 19944594, 22160660, 33240990, 39889188, 49861485, 66481980, 99722970, 199445940]

約数ペア:

[(1, 199445940), (2, 99722970), (3, 66481980), (4, 49861485), (5, 39889188), (6, 33240990), (9, 22160660), (10, 19944594), (12, 16620495), (15, 13296396), (18, 11080330), (20, 9972297), (30, 6648198), (31, 6433740), (36, 5540165), (45, 4432132), (60, 3324099), (62, 3216870), (90, 2216066), (93, 2144580), (124, 1608435), (155, 1286748), (180, 1108033), (186, 1072290), (279, 714860), (310, 643374), (372, 536145), (465, 428916), (558, 357430), (620, 321687), (930, 214458), (961, 207540), (1116, 178715), (1153, 172980), (1395, 142972), (1860, 107229), (1922, 103770), (2306, 86490), (2790, 71486), (2883, 69180), (3459, 57660), (3844, 51885), (4612, 43245), (4805, 41508), (5580, 35743), (5765, 34596), (5766, 34590), (6918, 28830), (8649, 23060), (9610, 20754), (10377, 19220), (11530, 17298), (11532, 17295), (13836, 14415)]