191402820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{21701}}^1$

素因数の和:21730

約数の個数: 108

約数和(自身を含む): 675409644

約数和(自身を除く): 484006824

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 21701, 43402, 65103, 86804, 108505, 130206, 151907, 195309, 217010, 260412, 303814, 325515, 390618, 434020, 455721, 607628, 651030, 759535, 781236, 911442, 976545, 1063349, 1302060, 1367163, 1519070, 1822884, 1953090, 2126698, 2278605, 2734326, 3038140, 3190047, 3906180, 4253396, 4557210, 5316745, 5468652, 6380094, 6835815, 9114420, 9570141, 10633490, 12760188, 13671630, 15950235, 19140282, 21266980, 27343260, 31900470, 38280564, 47850705, 63800940, 95701410, 191402820]

約数ペア:

[(1, 191402820), (2, 95701410), (3, 63800940), (4, 47850705), (5, 38280564), (6, 31900470), (7, 27343260), (9, 21266980), (10, 19140282), (12, 15950235), (14, 13671630), (15, 12760188), (18, 10633490), (20, 9570141), (21, 9114420), (28, 6835815), (30, 6380094), (35, 5468652), (36, 5316745), (42, 4557210), (45, 4253396), (49, 3906180), (60, 3190047), (63, 3038140), (70, 2734326), (84, 2278605), (90, 2126698), (98, 1953090), (105, 1822884), (126, 1519070), (140, 1367163), (147, 1302060), (180, 1063349), (196, 976545), (210, 911442), (245, 781236), (252, 759535), (294, 651030), (315, 607628), (420, 455721), (441, 434020), (490, 390618), (588, 325515), (630, 303814), (735, 260412), (882, 217010), (980, 195309), (1260, 151907), (1470, 130206), (1764, 108505), (2205, 86804), (2940, 65103), (4410, 43402), (8820, 21701)]