121338520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{178439}}^1$

素因数の和:178467

約数の個数: 32

約数和(自身を含む): 289072800

約数和(自身を除く): 167734280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 178439, 356878, 713756, 892195, 1427512, 1784390, 3033463, 3568780, 6066926, 7137560, 12133852, 15167315, 24267704, 30334630, 60669260, 121338520]

約数ペア:

[(1, 121338520), (2, 60669260), (4, 30334630), (5, 24267704), (8, 15167315), (10, 12133852), (17, 7137560), (20, 6066926), (34, 3568780), (40, 3033463), (68, 1784390), (85, 1427512), (136, 892195), (170, 713756), (340, 356878), (680, 178439)]