2146339940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 4977262080

約数和(自身を除く): 2830922140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 71, 76, 79, 95, 106, 142, 158, 190, 212, 265, 284, 316, 355, 361, 380, 395, 530, 710, 722, 790, 1007, 1060, 1349, 1420, 1444, 1501, 1580, 1805, 2014, 2698, 3002, 3610, 3763, 4028, 4187, 5035, 5396, 5609, 6004, 6745, 7220, 7505, 7526, 8374, 10070, 11218, 13490, 15010, 15052, 16748, 18815, 19133, 20140, 20935, 22436, 25631, 26980, 28045, 28519, 30020, 37630, 38266, 41870, 51262, 56090, 57038, 71497, 75260, 76532, 79553, 83740, 95665, 102524, 106571, 112180, 114076, 128155, 142595, 142994, 159106, 191330, 213142, 256310, 285190, 285988, 297277, 318212, 357485, 382660, 397765, 426284, 512620, 532855, 570380, 594554, 714970, 795530, 1065710, 1189108, 1358443, 1429940, 1486385, 1511507, 1591060, 2024849, 2131420, 2716886, 2972770, 3023014, 4049698, 5433772, 5648263, 5945540, 6046028, 6792215, 7557535, 8099396, 10124245, 11296526, 13584430, 15115070, 20248490, 22593052, 27168860, 28241315, 30230140, 40496980, 56482630, 107316997, 112965260, 214633994, 429267988, 536584985, 1073169970, 2146339940]

約数ペア:

[(1, 2146339940), (2, 1073169970), (4, 536584985), (5, 429267988), (10, 214633994), (19, 112965260), (20, 107316997), (38, 56482630), (53, 40496980), (71, 30230140), (76, 28241315), (79, 27168860), (95, 22593052), (106, 20248490), (142, 15115070), (158, 13584430), (190, 11296526), (212, 10124245), (265, 8099396), (284, 7557535), (316, 6792215), (355, 6046028), (361, 5945540), (380, 5648263), (395, 5433772), (530, 4049698), (710, 3023014), (722, 2972770), (790, 2716886), (1007, 2131420), (1060, 2024849), (1349, 1591060), (1420, 1511507), (1444, 1486385), (1501, 1429940), (1580, 1358443), (1805, 1189108), (2014, 1065710), (2698, 795530), (3002, 714970), (3610, 594554), (3763, 570380), (4028, 532855), (4187, 512620), (5035, 426284), (5396, 397765), (5609, 382660), (6004, 357485), (6745, 318212), (7220, 297277), (7505, 285988), (7526, 285190), (8374, 256310), (10070, 213142), (11218, 191330), (13490, 159106), (15010, 142994), (15052, 142595), (16748, 128155), (18815, 114076), (19133, 112180), (20140, 106571), (20935, 102524), (22436, 95665), (25631, 83740), (26980, 79553), (28045, 76532), (28519, 75260), (30020, 71497), (37630, 57038), (38266, 56090), (41870, 51262)]