689380610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2283

約数の個数: 64

約数和(自身を含む): 1382296320

約数和(自身を除く): 692915710

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 73, 95, 115, 146, 190, 230, 365, 437, 730, 874, 1387, 1679, 2161, 2185, 2774, 3358, 4322, 4370, 6935, 8395, 10805, 13870, 16790, 21610, 31901, 41059, 49703, 63802, 82118, 99406, 157753, 159505, 205295, 248515, 315506, 319010, 410590, 497030, 788765, 944357, 1577530, 1888714, 2997307, 3628319, 4721785, 5994614, 7256638, 9443570, 14986535, 18141595, 29973070, 36283190, 68938061, 137876122, 344690305, 689380610]

約数ペア:

[(1, 689380610), (2, 344690305), (5, 137876122), (10, 68938061), (19, 36283190), (23, 29973070), (38, 18141595), (46, 14986535), (73, 9443570), (95, 7256638), (115, 5994614), (146, 4721785), (190, 3628319), (230, 2997307), (365, 1888714), (437, 1577530), (730, 944357), (874, 788765), (1387, 497030), (1679, 410590), (2161, 319010), (2185, 315506), (2774, 248515), (3358, 205295), (4322, 159505), (4370, 157753), (6935, 99406), (8395, 82118), (10805, 63802), (13870, 49703), (16790, 41059), (21610, 31901)]