1298888200

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:248

約数の個数: 192

約数和(自身を含む): 3307288320

約数和(自身を除く): 2008400120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 41, 46, 50, 71, 82, 92, 97, 100, 115, 142, 164, 184, 194, 200, 205, 230, 284, 328, 355, 388, 410, 460, 485, 568, 575, 710, 776, 820, 920, 943, 970, 1025, 1150, 1420, 1633, 1640, 1775, 1886, 1940, 2050, 2231, 2300, 2425, 2840, 2911, 3266, 3550, 3772, 3880, 3977, 4100, 4462, 4600, 4715, 4850, 5822, 6532, 6887, 7100, 7544, 7954, 8165, 8200, 8924, 9430, 9700, 11155, 11644, 13064, 13774, 14200, 14555, 15908, 16330, 17848, 18860, 19400, 19885, 22310, 23288, 23575, 27548, 29110, 31816, 32660, 34435, 37720, 39770, 40825, 44620, 47150, 55096, 55775, 58220, 65320, 66953, 68870, 72775, 79540, 81650, 89240, 91471, 94300, 99425, 111550, 116440, 133906, 137740, 145550, 158401, 159080, 163300, 172175, 182942, 188600, 198850, 223100, 267812, 275480, 282367, 291100, 316802, 326600, 334765, 344350, 365884, 397700, 446200, 457355, 535624, 564734, 582200, 633604, 669530, 688700, 731768, 792005, 795400, 914710, 1129468, 1267208, 1339060, 1377400, 1411835, 1584010, 1673825, 1829420, 2258936, 2286775, 2678120, 2823670, 3168020, 3347650, 3658840, 3960025, 4573550, 5647340, 6336040, 6494441, 6695300, 7059175, 7920050, 9147100, 11294680, 12988882, 13390600, 14118350, 15840100, 18294200, 25977764, 28236700, 31680200, 32472205, 51955528, 56473400, 64944410, 129888820, 162361025, 259777640, 324722050, 649444100, 1298888200]

約数ペア:

[(1, 1298888200), (2, 649444100), (4, 324722050), (5, 259777640), (8, 162361025), (10, 129888820), (20, 64944410), (23, 56473400), (25, 51955528), (40, 32472205), (41, 31680200), (46, 28236700), (50, 25977764), (71, 18294200), (82, 15840100), (92, 14118350), (97, 13390600), (100, 12988882), (115, 11294680), (142, 9147100), (164, 7920050), (184, 7059175), (194, 6695300), (200, 6494441), (205, 6336040), (230, 5647340), (284, 4573550), (328, 3960025), (355, 3658840), (388, 3347650), (410, 3168020), (460, 2823670), (485, 2678120), (568, 2286775), (575, 2258936), (710, 1829420), (776, 1673825), (820, 1584010), (920, 1411835), (943, 1377400), (970, 1339060), (1025, 1267208), (1150, 1129468), (1420, 914710), (1633, 795400), (1640, 792005), (1775, 731768), (1886, 688700), (1940, 669530), (2050, 633604), (2231, 582200), (2300, 564734), (2425, 535624), (2840, 457355), (2911, 446200), (3266, 397700), (3550, 365884), (3772, 344350), (3880, 334765), (3977, 326600), (4100, 316802), (4462, 291100), (4600, 282367), (4715, 275480), (4850, 267812), (5822, 223100), (6532, 198850), (6887, 188600), (7100, 182942), (7544, 172175), (7954, 163300), (8165, 159080), (8200, 158401), (8924, 145550), (9430, 137740), (9700, 133906), (11155, 116440), (11644, 111550), (13064, 99425), (13774, 94300), (14200, 91471), (14555, 89240), (15908, 81650), (16330, 79540), (17848, 72775), (18860, 68870), (19400, 66953), (19885, 65320), (22310, 58220), (23288, 55775), (23575, 55096), (27548, 47150), (29110, 44620), (31816, 40825), (32660, 39770), (34435, 37720)]