280177838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1973}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 459073440

約数和(自身を除く): 178895602

約数列:

[1, 2, 19, 37, 38, 74, 101, 202, 703, 1406, 1919, 1973, 3737, 3838, 3946, 7474, 37487, 71003, 73001, 74974, 142006, 146002, 199273, 398546, 1387019, 2774038, 3786187, 7373101, 7572374, 14746202, 140088919, 280177838]

約数ペア:

[(1, 280177838), (2, 140088919), (19, 14746202), (37, 7572374), (38, 7373101), (74, 3786187), (101, 2774038), (202, 1387019), (703, 398546), (1406, 199273), (1919, 146002), (1973, 142006), (3737, 74974), (3838, 73001), (3946, 71003), (7474, 37487)]