210640878

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 569856000

約数和(自身を除く): 359215122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 139, 171, 189, 211, 266, 278, 342, 378, 399, 417, 422, 513, 633, 798, 834, 973, 1026, 1197, 1251, 1266, 1477, 1899, 1946, 2394, 2502, 2641, 2919, 2954, 3591, 3753, 3798, 4009, 4431, 5282, 5697, 5838, 7182, 7506, 7923, 8018, 8757, 8862, 11394, 12027, 13293, 15846, 17514, 18487, 23769, 24054, 26271, 26586, 28063, 29329, 36081, 36974, 39879, 47538, 52542, 55461, 56126, 58658, 71307, 72162, 79758, 84189, 87987, 108243, 110922, 142614, 166383, 168378, 175974, 205303, 216486, 252567, 263961, 332766, 410606, 499149, 505134, 527922, 557251, 615909, 757701, 791883, 998298, 1114502, 1231818, 1515402, 1583766, 1671753, 1847727, 3343506, 3695454, 3900757, 5015259, 5543181, 7801514, 10030518, 11086362, 11702271, 15045777, 23404542, 30091554, 35106813, 70213626, 105320439, 210640878]

約数ペア:

[(1, 210640878), (2, 105320439), (3, 70213626), (6, 35106813), (7, 30091554), (9, 23404542), (14, 15045777), (18, 11702271), (19, 11086362), (21, 10030518), (27, 7801514), (38, 5543181), (42, 5015259), (54, 3900757), (57, 3695454), (63, 3343506), (114, 1847727), (126, 1671753), (133, 1583766), (139, 1515402), (171, 1231818), (189, 1114502), (211, 998298), (266, 791883), (278, 757701), (342, 615909), (378, 557251), (399, 527922), (417, 505134), (422, 499149), (513, 410606), (633, 332766), (798, 263961), (834, 252567), (973, 216486), (1026, 205303), (1197, 175974), (1251, 168378), (1266, 166383), (1477, 142614), (1899, 110922), (1946, 108243), (2394, 87987), (2502, 84189), (2641, 79758), (2919, 72162), (2954, 71307), (3591, 58658), (3753, 56126), (3798, 55461), (4009, 52542), (4431, 47538), (5282, 39879), (5697, 36974), (5838, 36081), (7182, 29329), (7506, 28063), (7923, 26586), (8018, 26271), (8757, 24054), (8862, 23769), (11394, 18487), (12027, 17514), (13293, 15846)]