131818260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{313853}}^1$

素因数の和:313872

約数の個数: 48

約数和(自身を含む): 421819776

約数和(自身を除く): 290001516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 313853, 627706, 941559, 1255412, 1569265, 1883118, 2196971, 3138530, 3766236, 4393942, 4707795, 6277060, 6590913, 8787884, 9415590, 10984855, 13181826, 18831180, 21969710, 26363652, 32954565, 43939420, 65909130, 131818260]

約数ペア:

[(1, 131818260), (2, 65909130), (3, 43939420), (4, 32954565), (5, 26363652), (6, 21969710), (7, 18831180), (10, 13181826), (12, 10984855), (14, 9415590), (15, 8787884), (20, 6590913), (21, 6277060), (28, 4707795), (30, 4393942), (35, 3766236), (42, 3138530), (60, 2196971), (70, 1883118), (84, 1569265), (105, 1255412), (140, 941559), (210, 627706), (420, 313853)]