1319912275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 1821312000

約数和(自身を除く): 501399725

約数列:

[1, 5, 11, 25, 55, 89, 199, 271, 275, 445, 979, 995, 1355, 2189, 2225, 2981, 4895, 4975, 6775, 10945, 14905, 17711, 24119, 24475, 53929, 54725, 74525, 88555, 120595, 194821, 265309, 269645, 442775, 593219, 602975, 974105, 1326545, 1348225, 2966095, 4799681, 4870525, 6632725, 14830475, 23998405, 52796491, 119992025, 263982455, 1319912275]

約数ペア:

[(1, 1319912275), (5, 263982455), (11, 119992025), (25, 52796491), (55, 23998405), (89, 14830475), (199, 6632725), (271, 4870525), (275, 4799681), (445, 2966095), (979, 1348225), (995, 1326545), (1355, 974105), (2189, 602975), (2225, 593219), (2981, 442775), (4895, 269645), (4975, 265309), (6775, 194821), (10945, 120595), (14905, 88555), (17711, 74525), (24119, 54725), (24475, 53929)]