164888780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2389}}^1$

素因数の和:2451

約数の個数: 96

約数和(自身を含む): 433641600

約数和(自身を除く): 268752820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 58, 68, 70, 85, 116, 119, 140, 145, 170, 203, 238, 290, 340, 406, 476, 493, 580, 595, 812, 986, 1015, 1190, 1972, 2030, 2380, 2389, 2465, 3451, 4060, 4778, 4930, 6902, 9556, 9860, 11945, 13804, 16723, 17255, 23890, 33446, 34510, 40613, 47780, 66892, 69020, 69281, 81226, 83615, 138562, 162452, 167230, 203065, 277124, 284291, 334460, 346405, 406130, 484967, 568582, 692810, 812260, 969934, 1137164, 1177777, 1385620, 1421455, 1939868, 2355554, 2424835, 2842910, 4711108, 4849670, 5685820, 5888885, 8244439, 9699340, 11777770, 16488878, 23555540, 32977756, 41222195, 82444390, 164888780]

約数ペア:

[(1, 164888780), (2, 82444390), (4, 41222195), (5, 32977756), (7, 23555540), (10, 16488878), (14, 11777770), (17, 9699340), (20, 8244439), (28, 5888885), (29, 5685820), (34, 4849670), (35, 4711108), (58, 2842910), (68, 2424835), (70, 2355554), (85, 1939868), (116, 1421455), (119, 1385620), (140, 1177777), (145, 1137164), (170, 969934), (203, 812260), (238, 692810), (290, 568582), (340, 484967), (406, 406130), (476, 346405), (493, 334460), (580, 284291), (595, 277124), (812, 203065), (986, 167230), (1015, 162452), (1190, 138562), (1972, 83615), (2030, 81226), (2380, 69281), (2389, 69020), (2465, 66892), (3451, 47780), (4060, 40613), (4778, 34510), (4930, 33446), (6902, 23890), (9556, 17255), (9860, 16723), (11945, 13804)]