77660420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9931}}^1$

素因数の和:9980

約数の個数: 48

約数和(自身を含む): 180206208

約数和(自身を除く): 102545788

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 9931, 19862, 39724, 49655, 99310, 168827, 198620, 228413, 337654, 456826, 675308, 844135, 913652, 1142065, 1688270, 2284130, 3376540, 3883021, 4568260, 7766042, 15532084, 19415105, 38830210, 77660420]

約数ペア:

[(1, 77660420), (2, 38830210), (4, 19415105), (5, 15532084), (10, 7766042), (17, 4568260), (20, 3883021), (23, 3376540), (34, 2284130), (46, 1688270), (68, 1142065), (85, 913652), (92, 844135), (115, 675308), (170, 456826), (230, 337654), (340, 228413), (391, 198620), (460, 168827), (782, 99310), (1564, 49655), (1955, 39724), (3910, 19862), (7820, 9931)]