7479940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2213}}^1$

素因数の和:2248

約数の個数: 36

約数和(自身を含む): 17016804

約数和(自身を除く): 9536864

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2213, 3380, 4426, 8852, 11065, 22130, 28769, 44260, 57538, 115076, 143845, 287690, 373997, 575380, 747994, 1495988, 1869985, 3739970, 7479940]

約数ペア:

[(1, 7479940), (2, 3739970), (4, 1869985), (5, 1495988), (10, 747994), (13, 575380), (20, 373997), (26, 287690), (52, 143845), (65, 115076), (130, 57538), (169, 44260), (260, 28769), (338, 22130), (676, 11065), (845, 8852), (1690, 4426), (2213, 3380)]