857373580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1064

約数の個数: 144

約数和(自身を含む): 2261812896

約数和(自身を除く): 1404439316

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 53, 68, 70, 85, 98, 106, 119, 140, 170, 196, 212, 238, 245, 265, 340, 371, 476, 490, 530, 595, 742, 833, 901, 971, 980, 1060, 1190, 1484, 1666, 1802, 1855, 1942, 2380, 2597, 3332, 3604, 3710, 3884, 4165, 4505, 4855, 5194, 6307, 6797, 7420, 8330, 9010, 9710, 10388, 12614, 12985, 13594, 16507, 16660, 18020, 19420, 25228, 25970, 27188, 31535, 33014, 33985, 44149, 47579, 51463, 51940, 63070, 66028, 67970, 82535, 88298, 95158, 102926, 115549, 126140, 135940, 165070, 176596, 190316, 205852, 220745, 231098, 237895, 257315, 330140, 360241, 441490, 462196, 475790, 514630, 577745, 720482, 808843, 874871, 882980, 951580, 1029260, 1155490, 1440964, 1617686, 1749742, 1801205, 2310980, 2521687, 3235372, 3499484, 3602410, 4044215, 4374355, 5043374, 6124097, 7204820, 8088430, 8748710, 10086748, 12248194, 12608435, 16176860, 17497420, 24496388, 25216870, 30620485, 42868679, 50433740, 61240970, 85737358, 122481940, 171474716, 214343395, 428686790, 857373580]

約数ペア:

[(1, 857373580), (2, 428686790), (4, 214343395), (5, 171474716), (7, 122481940), (10, 85737358), (14, 61240970), (17, 50433740), (20, 42868679), (28, 30620485), (34, 25216870), (35, 24496388), (49, 17497420), (53, 16176860), (68, 12608435), (70, 12248194), (85, 10086748), (98, 8748710), (106, 8088430), (119, 7204820), (140, 6124097), (170, 5043374), (196, 4374355), (212, 4044215), (238, 3602410), (245, 3499484), (265, 3235372), (340, 2521687), (371, 2310980), (476, 1801205), (490, 1749742), (530, 1617686), (595, 1440964), (742, 1155490), (833, 1029260), (901, 951580), (971, 882980), (980, 874871), (1060, 808843), (1190, 720482), (1484, 577745), (1666, 514630), (1802, 475790), (1855, 462196), (1942, 441490), (2380, 360241), (2597, 330140), (3332, 257315), (3604, 237895), (3710, 231098), (3884, 220745), (4165, 205852), (4505, 190316), (4855, 176596), (5194, 165070), (6307, 135940), (6797, 126140), (7420, 115549), (8330, 102926), (9010, 95158), (9710, 88298), (10388, 82535), (12614, 67970), (12985, 66028), (13594, 63070), (16507, 51940), (16660, 51463), (18020, 47579), (19420, 44149), (25228, 33985), (25970, 33014), (27188, 31535)]