19715698310

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2887}}^1$

素因数の和:3107

約数の個数: 128

約数和(自身を含む): 45413222400

約数和(自身を除く): 25697524090

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 181, 245, 343, 362, 385, 490, 539, 686, 770, 905, 1078, 1267, 1715, 1810, 1991, 2534, 2695, 2887, 3430, 3773, 3982, 5390, 5774, 6335, 7546, 8869, 9955, 12670, 13937, 14435, 17738, 18865, 19910, 20209, 27874, 28870, 31757, 37730, 40418, 44345, 62083, 63514, 69685, 88690, 97559, 101045, 124166, 139370, 141463, 158785, 195118, 202090, 222299, 282926, 310415, 317570, 444598, 487795, 522547, 620830, 682913, 707315, 975590, 990241, 1045094, 1111495, 1365826, 1414630, 1556093, 1980482, 2222990, 2612735, 3112186, 3414565, 3657829, 4951205, 5225470, 5748017, 6829130, 7315658, 7780465, 9902410, 10892651, 11496034, 15560930, 18289145, 21785302, 25604803, 28740085, 36578290, 40236119, 51209606, 54463255, 57480170, 80472238, 108926510, 128024015, 179233621, 201180595, 256048030, 281652833, 358467242, 402361190, 563305666, 896168105, 1408264165, 1792336210, 1971569831, 2816528330, 3943139662, 9857849155, 19715698310]

約数ペア:

[(1, 19715698310), (2, 9857849155), (5, 3943139662), (7, 2816528330), (10, 1971569831), (11, 1792336210), (14, 1408264165), (22, 896168105), (35, 563305666), (49, 402361190), (55, 358467242), (70, 281652833), (77, 256048030), (98, 201180595), (110, 179233621), (154, 128024015), (181, 108926510), (245, 80472238), (343, 57480170), (362, 54463255), (385, 51209606), (490, 40236119), (539, 36578290), (686, 28740085), (770, 25604803), (905, 21785302), (1078, 18289145), (1267, 15560930), (1715, 11496034), (1810, 10892651), (1991, 9902410), (2534, 7780465), (2695, 7315658), (2887, 6829130), (3430, 5748017), (3773, 5225470), (3982, 4951205), (5390, 3657829), (5774, 3414565), (6335, 3112186), (7546, 2612735), (8869, 2222990), (9955, 1980482), (12670, 1556093), (13937, 1414630), (14435, 1365826), (17738, 1111495), (18865, 1045094), (19910, 990241), (20209, 975590), (27874, 707315), (28870, 682913), (31757, 620830), (37730, 522547), (40418, 487795), (44345, 444598), (62083, 317570), (63514, 310415), (69685, 282926), (88690, 222299), (97559, 202090), (101045, 195118), (124166, 158785), (139370, 141463)]