291209641210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{25747}}^1$

素因数の和:26075

約数の個数: 64

約数和(自身を含む): 539842867200

約数和(自身を除く): 248633225990

約数列:

[1, 2, 5, 10, 79, 103, 139, 158, 206, 278, 395, 515, 695, 790, 1030, 1390, 8137, 10981, 14317, 16274, 21962, 25747, 28634, 40685, 51494, 54905, 71585, 81370, 109810, 128735, 143170, 257470, 1131043, 2034013, 2262086, 2651941, 3578833, 4068026, 5303882, 5655215, 7157666, 10170065, 11310430, 13259705, 17894165, 20340130, 26519410, 35788330, 209503339, 282727807, 368619799, 419006678, 565455614, 737239598, 1047516695, 1413639035, 1843098995, 2095033390, 2827278070, 3686197990, 29120964121, 58241928242, 145604820605, 291209641210]

約数ペア:

[(1, 291209641210), (2, 145604820605), (5, 58241928242), (10, 29120964121), (79, 3686197990), (103, 2827278070), (139, 2095033390), (158, 1843098995), (206, 1413639035), (278, 1047516695), (395, 737239598), (515, 565455614), (695, 419006678), (790, 368619799), (1030, 282727807), (1390, 209503339), (8137, 35788330), (10981, 26519410), (14317, 20340130), (16274, 17894165), (21962, 13259705), (25747, 11310430), (28634, 10170065), (40685, 7157666), (51494, 5655215), (54905, 5303882), (71585, 4068026), (81370, 3578833), (109810, 2651941), (128735, 2262086), (143170, 2034013), (257470, 1131043)]