722129210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{2999}}^1$

素因数の和:3227

約数の個数: 48

約数和(自身を含む): 1436400000

約数和(自身を除く): 714270790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 199, 242, 398, 605, 995, 1210, 1990, 2189, 2999, 4378, 5998, 10945, 14995, 21890, 24079, 29990, 32989, 48158, 65978, 120395, 164945, 240790, 329890, 362879, 596801, 725758, 1193602, 1814395, 2984005, 3628790, 5968010, 6564811, 13129622, 32824055, 65648110, 72212921, 144425842, 361064605, 722129210]

約数ペア:

[(1, 722129210), (2, 361064605), (5, 144425842), (10, 72212921), (11, 65648110), (22, 32824055), (55, 13129622), (110, 6564811), (121, 5968010), (199, 3628790), (242, 2984005), (398, 1814395), (605, 1193602), (995, 725758), (1210, 596801), (1990, 362879), (2189, 329890), (2999, 240790), (4378, 164945), (5998, 120395), (10945, 65978), (14995, 48158), (21890, 32989), (24079, 29990)]