201881290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 417602304

約数和(自身を除く): 215721014

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 167, 170, 221, 334, 442, 547, 835, 1094, 1105, 1670, 2171, 2210, 2735, 2839, 4342, 5470, 5678, 7111, 9299, 10855, 14195, 14222, 18598, 21710, 28390, 35555, 36907, 46495, 71110, 73814, 91349, 92990, 120887, 182698, 184535, 241774, 369070, 456745, 604435, 913490, 1187537, 1208870, 1552933, 2375074, 3105866, 5937685, 7764665, 11875370, 15529330, 20188129, 40376258, 100940645, 201881290]

約数ペア:

[(1, 201881290), (2, 100940645), (5, 40376258), (10, 20188129), (13, 15529330), (17, 11875370), (26, 7764665), (34, 5937685), (65, 3105866), (85, 2375074), (130, 1552933), (167, 1208870), (170, 1187537), (221, 913490), (334, 604435), (442, 456745), (547, 369070), (835, 241774), (1094, 184535), (1105, 182698), (1670, 120887), (2171, 92990), (2210, 91349), (2735, 73814), (2839, 71110), (4342, 46495), (5470, 36907), (5678, 35555), (7111, 28390), (9299, 21710), (10855, 18598), (14195, 14222)]