1680341780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{222857}}^1$

素因数の和:222908

約数の個数: 48

約数和(自身を含む): 3931215120

約数和(自身を除く): 2250873340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 222857, 445714, 891428, 1114285, 2228570, 2897141, 4457140, 5794282, 6462853, 11588564, 12925706, 14485705, 25851412, 28971410, 32314265, 57942820, 64628530, 84017089, 129257060, 168034178, 336068356, 420085445, 840170890, 1680341780]

約数ペア:

[(1, 1680341780), (2, 840170890), (4, 420085445), (5, 336068356), (10, 168034178), (13, 129257060), (20, 84017089), (26, 64628530), (29, 57942820), (52, 32314265), (58, 28971410), (65, 25851412), (116, 14485705), (130, 12925706), (145, 11588564), (260, 6462853), (290, 5794282), (377, 4457140), (580, 2897141), (754, 2228570), (1508, 1114285), (1885, 891428), (3770, 445714), (7540, 222857)]