1909900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:354

約数の個数: 36

約数和(自身を含む): 4218480

約数和(自身を除く): 2308580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 269, 284, 355, 538, 710, 1076, 1345, 1420, 1775, 2690, 3550, 5380, 6725, 7100, 13450, 19099, 26900, 38198, 76396, 95495, 190990, 381980, 477475, 954950, 1909900]

約数ペア:

[(1, 1909900), (2, 954950), (4, 477475), (5, 381980), (10, 190990), (20, 95495), (25, 76396), (50, 38198), (71, 26900), (100, 19099), (142, 13450), (269, 7100), (284, 6725), (355, 5380), (538, 3550), (710, 2690), (1076, 1775), (1345, 1420)]