209112540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38299}}^1$

素因数の和:38331

約数の個数: 96

約数和(自身を含む): 720652800

約数和(自身を除く): 511540260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 38299, 76598, 114897, 153196, 191495, 229794, 268093, 382990, 459588, 497887, 536186, 574485, 765980, 804279, 995774, 1072372, 1148970, 1340465, 1493661, 1608558, 1991548, 2297940, 2489435, 2680930, 2987322, 3217116, 3485209, 4021395, 4978870, 5361860, 5974644, 6970418, 7468305, 8042790, 9957740, 10455627, 13940836, 14936610, 16085580, 17426045, 20911254, 29873220, 34852090, 41822508, 52278135, 69704180, 104556270, 209112540]

約数ペア:

[(1, 209112540), (2, 104556270), (3, 69704180), (4, 52278135), (5, 41822508), (6, 34852090), (7, 29873220), (10, 20911254), (12, 17426045), (13, 16085580), (14, 14936610), (15, 13940836), (20, 10455627), (21, 9957740), (26, 8042790), (28, 7468305), (30, 6970418), (35, 5974644), (39, 5361860), (42, 4978870), (52, 4021395), (60, 3485209), (65, 3217116), (70, 2987322), (78, 2680930), (84, 2489435), (91, 2297940), (105, 1991548), (130, 1608558), (140, 1493661), (156, 1340465), (182, 1148970), (195, 1072372), (210, 995774), (260, 804279), (273, 765980), (364, 574485), (390, 536186), (420, 497887), (455, 459588), (546, 382990), (780, 268093), (910, 229794), (1092, 191495), (1365, 153196), (1820, 114897), (2730, 76598), (5460, 38299)]