84979400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 229605840

約数和(自身を除く): 144626440

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 107, 110, 152, 190, 200, 209, 214, 220, 275, 361, 380, 418, 428, 440, 475, 535, 550, 722, 760, 836, 856, 950, 1045, 1070, 1100, 1177, 1444, 1672, 1805, 1900, 2033, 2090, 2140, 2200, 2354, 2675, 2888, 3610, 3800, 3971, 4066, 4180, 4280, 4708, 5225, 5350, 5885, 7220, 7942, 8132, 8360, 9025, 9416, 10165, 10450, 10700, 11770, 14440, 15884, 16264, 18050, 19855, 20330, 20900, 21400, 22363, 23540, 29425, 31768, 36100, 38627, 39710, 40660, 41800, 44726, 47080, 50825, 58850, 72200, 77254, 79420, 81320, 89452, 99275, 101650, 111815, 117700, 154508, 158840, 178904, 193135, 198550, 203300, 223630, 235400, 309016, 386270, 397100, 406600, 424897, 447260, 559075, 772540, 794200, 849794, 894520, 965675, 1118150, 1545080, 1699588, 1931350, 2124485, 2236300, 3399176, 3862700, 4248970, 4472600, 7725400, 8497940, 10622425, 16995880, 21244850, 42489700, 84979400]

約数ペア:

[(1, 84979400), (2, 42489700), (4, 21244850), (5, 16995880), (8, 10622425), (10, 8497940), (11, 7725400), (19, 4472600), (20, 4248970), (22, 3862700), (25, 3399176), (38, 2236300), (40, 2124485), (44, 1931350), (50, 1699588), (55, 1545080), (76, 1118150), (88, 965675), (95, 894520), (100, 849794), (107, 794200), (110, 772540), (152, 559075), (190, 447260), (200, 424897), (209, 406600), (214, 397100), (220, 386270), (275, 309016), (361, 235400), (380, 223630), (418, 203300), (428, 198550), (440, 193135), (475, 178904), (535, 158840), (550, 154508), (722, 117700), (760, 111815), (836, 101650), (856, 99275), (950, 89452), (1045, 81320), (1070, 79420), (1100, 77254), (1177, 72200), (1444, 58850), (1672, 50825), (1805, 47080), (1900, 44726), (2033, 41800), (2090, 40660), (2140, 39710), (2200, 38627), (2354, 36100), (2675, 31768), (2888, 29425), (3610, 23540), (3800, 22363), (3971, 21400), (4066, 20900), (4180, 20330), (4280, 19855), (4708, 18050), (5225, 16264), (5350, 15884), (5885, 14440), (7220, 11770), (7942, 10700), (8132, 10450), (8360, 10165), (9025, 9416)]