239949920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6911}}^1$

素因数の和:6964

約数の個数: 96

約数和(自身を含む): 668860416

約数和(自身を除く): 428910496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6911, 6944, 8680, 13822, 17360, 27644, 34555, 34720, 48377, 55288, 69110, 96754, 110576, 138220, 193508, 214241, 221152, 241885, 276440, 387016, 428482, 483770, 552880, 774032, 856964, 967540, 1071205, 1105760, 1499687, 1548064, 1713928, 1935080, 2142410, 2999374, 3427856, 3870160, 4284820, 5998748, 6855712, 7498435, 7740320, 8569640, 11997496, 14996870, 17139280, 23994992, 29993740, 34278560, 47989984, 59987480, 119974960, 239949920]

約数ペア:

[(1, 239949920), (2, 119974960), (4, 59987480), (5, 47989984), (7, 34278560), (8, 29993740), (10, 23994992), (14, 17139280), (16, 14996870), (20, 11997496), (28, 8569640), (31, 7740320), (32, 7498435), (35, 6855712), (40, 5998748), (56, 4284820), (62, 3870160), (70, 3427856), (80, 2999374), (112, 2142410), (124, 1935080), (140, 1713928), (155, 1548064), (160, 1499687), (217, 1105760), (224, 1071205), (248, 967540), (280, 856964), (310, 774032), (434, 552880), (496, 483770), (560, 428482), (620, 387016), (868, 276440), (992, 241885), (1085, 221152), (1120, 214241), (1240, 193508), (1736, 138220), (2170, 110576), (2480, 96754), (3472, 69110), (4340, 55288), (4960, 48377), (6911, 34720), (6944, 34555), (8680, 27644), (13822, 17360)]