317975140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 841720320

約数和(自身を除く): 523745180

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, 271, 289, 290, 340, 406, 476, 493, 542, 578, 580, 595, 812, 986, 1015, 1084, 1156, 1190, 1355, 1445, 1897, 1972, 2023, 2030, 2380, 2465, 2710, 2890, 3451, 3794, 4046, 4060, 4607, 4930, 5420, 5780, 6902, 7588, 7859, 8092, 8381, 9214, 9485, 9860, 10115, 13804, 15718, 16762, 17255, 18428, 18970, 20230, 23035, 31436, 32249, 33524, 34510, 37940, 39295, 40460, 41905, 46070, 55013, 58667, 64498, 69020, 78319, 78590, 83810, 92140, 110026, 117334, 128996, 133603, 156638, 157180, 161245, 167620, 220052, 234668, 267206, 275065, 293335, 313276, 322490, 391595, 534412, 548233, 550130, 586670, 644980, 668015, 783190, 935221, 1096466, 1100260, 1173340, 1336030, 1566380, 1870442, 2192932, 2271251, 2672060, 2741165, 3740884, 4542502, 4676105, 5482330, 9085004, 9352210, 10964660, 11356255, 15898757, 18704420, 22712510, 31797514, 45425020, 63595028, 79493785, 158987570, 317975140]

約数ペア:

[(1, 317975140), (2, 158987570), (4, 79493785), (5, 63595028), (7, 45425020), (10, 31797514), (14, 22712510), (17, 18704420), (20, 15898757), (28, 11356255), (29, 10964660), (34, 9352210), (35, 9085004), (58, 5482330), (68, 4676105), (70, 4542502), (85, 3740884), (116, 2741165), (119, 2672060), (140, 2271251), (145, 2192932), (170, 1870442), (203, 1566380), (238, 1336030), (271, 1173340), (289, 1100260), (290, 1096466), (340, 935221), (406, 783190), (476, 668015), (493, 644980), (542, 586670), (578, 550130), (580, 548233), (595, 534412), (812, 391595), (986, 322490), (1015, 313276), (1084, 293335), (1156, 275065), (1190, 267206), (1355, 234668), (1445, 220052), (1897, 167620), (1972, 161245), (2023, 157180), (2030, 156638), (2380, 133603), (2465, 128996), (2710, 117334), (2890, 110026), (3451, 92140), (3794, 83810), (4046, 78590), (4060, 78319), (4607, 69020), (4930, 64498), (5420, 58667), (5780, 55013), (6902, 46070), (7588, 41905), (7859, 40460), (8092, 39295), (8381, 37940), (9214, 34510), (9485, 33524), (9860, 32249), (10115, 31436), (13804, 23035), (15718, 20230), (16762, 18970), (17255, 18428)]