209261780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3709}}^1$

素因数の和:3769

約数の個数: 96

約数和(自身を含む): 558458880

約数和(自身を除く): 349197100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1612, 1820, 2015, 2170, 2821, 3709, 4030, 4340, 5642, 7418, 8060, 11284, 14105, 14836, 18545, 25963, 28210, 37090, 48217, 51926, 56420, 74180, 96434, 103852, 114979, 129815, 192868, 229958, 241085, 259630, 337519, 459916, 482170, 519260, 574895, 675038, 804853, 964340, 1149790, 1350076, 1494727, 1609706, 1687595, 2299580, 2989454, 3219412, 3375190, 4024265, 5978908, 6750380, 7473635, 8048530, 10463089, 14947270, 16097060, 20926178, 29894540, 41852356, 52315445, 104630890, 209261780]

約数ペア:

[(1, 209261780), (2, 104630890), (4, 52315445), (5, 41852356), (7, 29894540), (10, 20926178), (13, 16097060), (14, 14947270), (20, 10463089), (26, 8048530), (28, 7473635), (31, 6750380), (35, 5978908), (52, 4024265), (62, 3375190), (65, 3219412), (70, 2989454), (91, 2299580), (124, 1687595), (130, 1609706), (140, 1494727), (155, 1350076), (182, 1149790), (217, 964340), (260, 804853), (310, 675038), (364, 574895), (403, 519260), (434, 482170), (455, 459916), (620, 337519), (806, 259630), (868, 241085), (910, 229958), (1085, 192868), (1612, 129815), (1820, 114979), (2015, 103852), (2170, 96434), (2821, 74180), (3709, 56420), (4030, 51926), (4340, 48217), (5642, 37090), (7418, 28210), (8060, 25963), (11284, 18545), (14105, 14836)]