89915380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{709}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 200748240

約数和(自身を除く): 110832860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 373, 709, 746, 1418, 1492, 1865, 2836, 3545, 3730, 6341, 7090, 7460, 12053, 12682, 14180, 24106, 25364, 31705, 48212, 60265, 63410, 120530, 126820, 241060, 264457, 528914, 1057828, 1322285, 2644570, 4495769, 5289140, 8991538, 17983076, 22478845, 44957690, 89915380]

約数ペア:

[(1, 89915380), (2, 44957690), (4, 22478845), (5, 17983076), (10, 8991538), (17, 5289140), (20, 4495769), (34, 2644570), (68, 1322285), (85, 1057828), (170, 528914), (340, 264457), (373, 241060), (709, 126820), (746, 120530), (1418, 63410), (1492, 60265), (1865, 48212), (2836, 31705), (3545, 25364), (3730, 24106), (6341, 14180), (7090, 12682), (7460, 12053)]