858642760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1\times {\mathrm{653}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 1966394880

約数和(自身を除く): 1107752120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 463, 568, 653, 710, 926, 1306, 1420, 1852, 2315, 2612, 2840, 3265, 3704, 4630, 5224, 6530, 9260, 13060, 18520, 26120, 32873, 46363, 65746, 92726, 131492, 164365, 185452, 231815, 262984, 302339, 328730, 370904, 463630, 604678, 657460, 927260, 1209356, 1314920, 1511695, 1854520, 2418712, 3023390, 6046780, 12093560, 21466069, 42932138, 85864276, 107330345, 171728552, 214660690, 429321380, 858642760]

約数ペア:

[(1, 858642760), (2, 429321380), (4, 214660690), (5, 171728552), (8, 107330345), (10, 85864276), (20, 42932138), (40, 21466069), (71, 12093560), (142, 6046780), (284, 3023390), (355, 2418712), (463, 1854520), (568, 1511695), (653, 1314920), (710, 1209356), (926, 927260), (1306, 657460), (1420, 604678), (1852, 463630), (2315, 370904), (2612, 328730), (2840, 302339), (3265, 262984), (3704, 231815), (4630, 185452), (5224, 164365), (6530, 131492), (9260, 92726), (13060, 65746), (18520, 46363), (26120, 32873)]