1855695220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1\times {\mathrm{1871}}^1$

素因数の和:2472

約数の個数: 48

約数和(自身を含む): 3945666816

約数和(自身を除く): 2089971596

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 491, 505, 982, 1010, 1871, 1964, 2020, 2455, 3742, 4910, 7484, 9355, 9820, 18710, 37420, 49591, 99182, 188971, 198364, 247955, 377942, 495910, 755884, 918661, 944855, 991820, 1837322, 1889710, 3674644, 3779420, 4593305, 9186610, 18373220, 92784761, 185569522, 371139044, 463923805, 927847610, 1855695220]

約数ペア:

[(1, 1855695220), (2, 927847610), (4, 463923805), (5, 371139044), (10, 185569522), (20, 92784761), (101, 18373220), (202, 9186610), (404, 4593305), (491, 3779420), (505, 3674644), (982, 1889710), (1010, 1837322), (1871, 991820), (1964, 944855), (2020, 918661), (2455, 755884), (3742, 495910), (4910, 377942), (7484, 247955), (9355, 198364), (9820, 188971), (18710, 99182), (37420, 49591)]