203412870

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 561116160

約数和(自身を除く): 357703290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 81, 90, 131, 135, 142, 162, 213, 243, 262, 270, 355, 393, 405, 426, 486, 639, 655, 710, 729, 786, 810, 1065, 1179, 1215, 1278, 1310, 1458, 1917, 1965, 2130, 2187, 2358, 2430, 3195, 3537, 3645, 3834, 3930, 4374, 5751, 5895, 6390, 7074, 7290, 9301, 9585, 10611, 10935, 11502, 11790, 17253, 17685, 18602, 19170, 21222, 21870, 27903, 28755, 31833, 34506, 35370, 46505, 51759, 53055, 55806, 57510, 63666, 83709, 86265, 93010, 95499, 103518, 106110, 139515, 155277, 159165, 167418, 172530, 190998, 251127, 258795, 279030, 286497, 310554, 318330, 418545, 477495, 502254, 517590, 572994, 753381, 776385, 837090, 954990, 1255635, 1432485, 1506762, 1552770, 2260143, 2511270, 2864970, 3766905, 4520286, 6780429, 7533810, 11300715, 13560858, 20341287, 22601430, 33902145, 40682574, 67804290, 101706435, 203412870]

約数ペア:

[(1, 203412870), (2, 101706435), (3, 67804290), (5, 40682574), (6, 33902145), (9, 22601430), (10, 20341287), (15, 13560858), (18, 11300715), (27, 7533810), (30, 6780429), (45, 4520286), (54, 3766905), (71, 2864970), (81, 2511270), (90, 2260143), (131, 1552770), (135, 1506762), (142, 1432485), (162, 1255635), (213, 954990), (243, 837090), (262, 776385), (270, 753381), (355, 572994), (393, 517590), (405, 502254), (426, 477495), (486, 418545), (639, 318330), (655, 310554), (710, 286497), (729, 279030), (786, 258795), (810, 251127), (1065, 190998), (1179, 172530), (1215, 167418), (1278, 159165), (1310, 155277), (1458, 139515), (1917, 106110), (1965, 103518), (2130, 95499), (2187, 93010), (2358, 86265), (2430, 83709), (3195, 63666), (3537, 57510), (3645, 55806), (3834, 53055), (3930, 51759), (4374, 46505), (5751, 35370), (5895, 34506), (6390, 31833), (7074, 28755), (7290, 27903), (9301, 21870), (9585, 21222), (10611, 19170), (10935, 18602), (11502, 17685), (11790, 17253)]