209954760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1019}}^1$

素因数の和:1151

約数の個数: 128

約数和(自身を含む): 674179200

約数和(自身を除く): 464224440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 101, 102, 120, 136, 170, 202, 204, 255, 303, 340, 404, 408, 505, 510, 606, 680, 808, 1010, 1019, 1020, 1212, 1515, 1717, 2020, 2038, 2040, 2424, 3030, 3057, 3434, 4040, 4076, 5095, 5151, 6060, 6114, 6868, 8152, 8585, 10190, 10302, 12120, 12228, 13736, 15285, 17170, 17323, 20380, 20604, 24456, 25755, 30570, 34340, 34646, 40760, 41208, 51510, 51969, 61140, 68680, 69292, 86615, 102919, 103020, 103938, 122280, 138584, 173230, 205838, 206040, 207876, 259845, 308757, 346460, 411676, 415752, 514595, 519690, 617514, 692920, 823352, 1029190, 1039380, 1235028, 1543785, 1749623, 2058380, 2078760, 2470056, 3087570, 3499246, 4116760, 5248869, 6175140, 6998492, 8748115, 10497738, 12350280, 13996984, 17496230, 20995476, 26244345, 34992460, 41990952, 52488690, 69984920, 104977380, 209954760]

約数ペア:

[(1, 209954760), (2, 104977380), (3, 69984920), (4, 52488690), (5, 41990952), (6, 34992460), (8, 26244345), (10, 20995476), (12, 17496230), (15, 13996984), (17, 12350280), (20, 10497738), (24, 8748115), (30, 6998492), (34, 6175140), (40, 5248869), (51, 4116760), (60, 3499246), (68, 3087570), (85, 2470056), (101, 2078760), (102, 2058380), (120, 1749623), (136, 1543785), (170, 1235028), (202, 1039380), (204, 1029190), (255, 823352), (303, 692920), (340, 617514), (404, 519690), (408, 514595), (505, 415752), (510, 411676), (606, 346460), (680, 308757), (808, 259845), (1010, 207876), (1019, 206040), (1020, 205838), (1212, 173230), (1515, 138584), (1717, 122280), (2020, 103938), (2038, 103020), (2040, 102919), (2424, 86615), (3030, 69292), (3057, 68680), (3434, 61140), (4040, 51969), (4076, 51510), (5095, 41208), (5151, 40760), (6060, 34646), (6114, 34340), (6868, 30570), (8152, 25755), (8585, 24456), (10190, 20604), (10302, 20380), (12120, 17323), (12228, 17170), (13736, 15285)]