20323089700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1907}}^1$

素因数の和:2090

約数の個数: 144

約数和(自身を含む): 47696947200

約数和(自身を除く): 27373857500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 79, 95, 100, 142, 158, 190, 284, 316, 355, 380, 395, 475, 710, 790, 950, 1349, 1420, 1501, 1580, 1775, 1900, 1907, 1975, 2698, 3002, 3550, 3814, 3950, 5396, 5609, 6004, 6745, 7100, 7505, 7628, 7900, 9535, 11218, 13490, 15010, 19070, 22436, 26980, 28045, 30020, 33725, 36233, 37525, 38140, 47675, 56090, 67450, 72466, 75050, 95350, 106571, 112180, 134900, 135397, 140225, 144932, 150100, 150653, 181165, 190700, 213142, 270794, 280450, 301306, 362330, 426284, 532855, 541588, 560900, 602612, 676985, 724660, 753265, 905825, 1065710, 1353970, 1506530, 1811650, 2131420, 2572543, 2664275, 2707940, 2862407, 3013060, 3384925, 3623300, 3766325, 5145086, 5328550, 5724814, 6769850, 7532650, 10290172, 10657100, 10696363, 11449628, 12862715, 13539700, 14312035, 15065300, 21392726, 25725430, 28624070, 42785452, 51450860, 53481815, 57248140, 64313575, 71560175, 106963630, 128627150, 143120350, 203230897, 213927260, 257254300, 267409075, 286240700, 406461794, 534818150, 812923588, 1016154485, 1069636300, 2032308970, 4064617940, 5080772425, 10161544850, 20323089700]

約数ペア:

[(1, 20323089700), (2, 10161544850), (4, 5080772425), (5, 4064617940), (10, 2032308970), (19, 1069636300), (20, 1016154485), (25, 812923588), (38, 534818150), (50, 406461794), (71, 286240700), (76, 267409075), (79, 257254300), (95, 213927260), (100, 203230897), (142, 143120350), (158, 128627150), (190, 106963630), (284, 71560175), (316, 64313575), (355, 57248140), (380, 53481815), (395, 51450860), (475, 42785452), (710, 28624070), (790, 25725430), (950, 21392726), (1349, 15065300), (1420, 14312035), (1501, 13539700), (1580, 12862715), (1775, 11449628), (1900, 10696363), (1907, 10657100), (1975, 10290172), (2698, 7532650), (3002, 6769850), (3550, 5724814), (3814, 5328550), (3950, 5145086), (5396, 3766325), (5609, 3623300), (6004, 3384925), (6745, 3013060), (7100, 2862407), (7505, 2707940), (7628, 2664275), (7900, 2572543), (9535, 2131420), (11218, 1811650), (13490, 1506530), (15010, 1353970), (19070, 1065710), (22436, 905825), (26980, 753265), (28045, 724660), (30020, 676985), (33725, 602612), (36233, 560900), (37525, 541588), (38140, 532855), (47675, 426284), (56090, 362330), (67450, 301306), (72466, 280450), (75050, 270794), (95350, 213142), (106571, 190700), (112180, 181165), (134900, 150653), (135397, 150100), (140225, 144932)]