208889260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{947}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 451513440

約数和(自身を除く): 242624180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 269, 410, 538, 820, 947, 1076, 1345, 1894, 2690, 3788, 4735, 5380, 9470, 11029, 18940, 22058, 38827, 44116, 55145, 77654, 110290, 155308, 194135, 220580, 254743, 388270, 509486, 776540, 1018972, 1273715, 2547430, 5094860, 10444463, 20888926, 41777852, 52222315, 104444630, 208889260]

約数ペア:

[(1, 208889260), (2, 104444630), (4, 52222315), (5, 41777852), (10, 20888926), (20, 10444463), (41, 5094860), (82, 2547430), (164, 1273715), (205, 1018972), (269, 776540), (410, 509486), (538, 388270), (820, 254743), (947, 220580), (1076, 194135), (1345, 155308), (1894, 110290), (2690, 77654), (3788, 55145), (4735, 44116), (5380, 38827), (9470, 22058), (11029, 18940)]