289245320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:607

約数の個数: 128

約数和(自身を含む): 806803200

約数和(自身を除く): 517557880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 229, 260, 280, 347, 364, 455, 458, 520, 694, 728, 910, 916, 1145, 1388, 1603, 1735, 1820, 1832, 2290, 2429, 2776, 2977, 3206, 3470, 3640, 4511, 4580, 4858, 5954, 6412, 6940, 8015, 9022, 9160, 9716, 11908, 12145, 12824, 13880, 14885, 16030, 18044, 19432, 20839, 22555, 23816, 24290, 29770, 31577, 32060, 36088, 41678, 45110, 48580, 59540, 63154, 64120, 79463, 83356, 90220, 97160, 104195, 119080, 126308, 157885, 158926, 166712, 180440, 208390, 252616, 315770, 317852, 397315, 416780, 556241, 631540, 635704, 794630, 833560, 1033019, 1112482, 1263080, 1589260, 2066038, 2224964, 2781205, 3178520, 4132076, 4449928, 5165095, 5562410, 7231133, 8264152, 10330190, 11124820, 14462266, 20660380, 22249640, 28924532, 36155665, 41320760, 57849064, 72311330, 144622660, 289245320]

約数ペア:

[(1, 289245320), (2, 144622660), (4, 72311330), (5, 57849064), (7, 41320760), (8, 36155665), (10, 28924532), (13, 22249640), (14, 20660380), (20, 14462266), (26, 11124820), (28, 10330190), (35, 8264152), (40, 7231133), (52, 5562410), (56, 5165095), (65, 4449928), (70, 4132076), (91, 3178520), (104, 2781205), (130, 2224964), (140, 2066038), (182, 1589260), (229, 1263080), (260, 1112482), (280, 1033019), (347, 833560), (364, 794630), (455, 635704), (458, 631540), (520, 556241), (694, 416780), (728, 397315), (910, 317852), (916, 315770), (1145, 252616), (1388, 208390), (1603, 180440), (1735, 166712), (1820, 158926), (1832, 157885), (2290, 126308), (2429, 119080), (2776, 104195), (2977, 97160), (3206, 90220), (3470, 83356), (3640, 79463), (4511, 64120), (4580, 63154), (4858, 59540), (5954, 48580), (6412, 45110), (6940, 41678), (8015, 36088), (9022, 32060), (9160, 31577), (9716, 29770), (11908, 24290), (12145, 23816), (12824, 22555), (13880, 20839), (14885, 19432), (16030, 18044)]