202101290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:951

約数の個数: 64

約数和(自身を含む): 405820800

約数和(自身を除く): 203719510

約数列:

[1, 2, 5, 10, 19, 29, 38, 43, 58, 86, 95, 145, 190, 215, 290, 430, 551, 817, 853, 1102, 1247, 1634, 1706, 2494, 2755, 4085, 4265, 5510, 6235, 8170, 8530, 12470, 16207, 23693, 24737, 32414, 36679, 47386, 49474, 73358, 81035, 118465, 123685, 162070, 183395, 236930, 247370, 366790, 470003, 696901, 940006, 1063691, 1393802, 2127382, 2350015, 3484505, 4700030, 5318455, 6969010, 10636910, 20210129, 40420258, 101050645, 202101290]

約数ペア:

[(1, 202101290), (2, 101050645), (5, 40420258), (10, 20210129), (19, 10636910), (29, 6969010), (38, 5318455), (43, 4700030), (58, 3484505), (86, 2350015), (95, 2127382), (145, 1393802), (190, 1063691), (215, 940006), (290, 696901), (430, 470003), (551, 366790), (817, 247370), (853, 236930), (1102, 183395), (1247, 162070), (1634, 123685), (1706, 118465), (2494, 81035), (2755, 73358), (4085, 49474), (4265, 47386), (5510, 36679), (6235, 32414), (8170, 24737), (8530, 23693), (12470, 16207)]