84621220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 183840048

約数和(自身を除く): 99218828

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 173, 185, 346, 370, 661, 692, 740, 865, 1322, 1730, 2644, 3305, 3460, 6401, 6610, 12802, 13220, 24457, 25604, 32005, 48914, 64010, 97828, 114353, 122285, 128020, 228706, 244570, 457412, 489140, 571765, 1143530, 2287060, 4231061, 8462122, 16924244, 21155305, 42310610, 84621220]

約数ペア:

[(1, 84621220), (2, 42310610), (4, 21155305), (5, 16924244), (10, 8462122), (20, 4231061), (37, 2287060), (74, 1143530), (148, 571765), (173, 489140), (185, 457412), (346, 244570), (370, 228706), (661, 128020), (692, 122285), (740, 114353), (865, 97828), (1322, 64010), (1730, 48914), (2644, 32005), (3305, 25604), (3460, 24457), (6401, 13220), (6610, 12802)]