201815380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{2081}}^1$

素因数の和:2476

約数の個数: 48

約数和(自身を含む): 457856784

約数和(自身を除く): 256041404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 373, 746, 1492, 1865, 2081, 3730, 4162, 4849, 7460, 8324, 9698, 10405, 19396, 20810, 24245, 27053, 41620, 48490, 54106, 96980, 108212, 135265, 270530, 541060, 776213, 1552426, 3104852, 3881065, 7762130, 10090769, 15524260, 20181538, 40363076, 50453845, 100907690, 201815380]

約数ペア:

[(1, 201815380), (2, 100907690), (4, 50453845), (5, 40363076), (10, 20181538), (13, 15524260), (20, 10090769), (26, 7762130), (52, 3881065), (65, 3104852), (130, 1552426), (260, 776213), (373, 541060), (746, 270530), (1492, 135265), (1865, 108212), (2081, 96980), (3730, 54106), (4162, 48490), (4849, 41620), (7460, 27053), (8324, 24245), (9698, 20810), (10405, 19396)]