279031480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 806682240

約数和(自身を除く): 527650760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 47, 49, 52, 56, 65, 70, 91, 94, 98, 104, 130, 140, 182, 188, 196, 233, 235, 245, 260, 280, 329, 364, 376, 392, 455, 466, 470, 490, 520, 611, 637, 658, 728, 910, 932, 940, 980, 1165, 1222, 1274, 1316, 1631, 1645, 1820, 1864, 1880, 1960, 2303, 2330, 2444, 2548, 2632, 3029, 3055, 3185, 3262, 3290, 3640, 4277, 4606, 4660, 4888, 5096, 6058, 6110, 6370, 6524, 6580, 8155, 8554, 9212, 9320, 10951, 11417, 11515, 12116, 12220, 12740, 13048, 13160, 15145, 16310, 17108, 18424, 21203, 21385, 21902, 22834, 23030, 24232, 24440, 25480, 29939, 30290, 32620, 34216, 42406, 42770, 43804, 45668, 46060, 54755, 57085, 59878, 60580, 65240, 76657, 84812, 85540, 87608, 91336, 92120, 106015, 109510, 114170, 119756, 121160, 142363, 148421, 149695, 153314, 169624, 171080, 212030, 219020, 228340, 239512, 284726, 296842, 299390, 306628, 383285, 424060, 438040, 456680, 536599, 569452, 593684, 598780, 613256, 711815, 742105, 766570, 848120, 996541, 1073198, 1138904, 1187368, 1197560, 1423630, 1484210, 1533140, 1993082, 2146396, 2682995, 2847260, 2968420, 3066280, 3986164, 4292792, 4982705, 5365990, 5694520, 5936840, 6975787, 7972328, 9965410, 10731980, 13951574, 19930820, 21463960, 27903148, 34878935, 39861640, 55806296, 69757870, 139515740, 279031480]

約数ペア:

[(1, 279031480), (2, 139515740), (4, 69757870), (5, 55806296), (7, 39861640), (8, 34878935), (10, 27903148), (13, 21463960), (14, 19930820), (20, 13951574), (26, 10731980), (28, 9965410), (35, 7972328), (40, 6975787), (47, 5936840), (49, 5694520), (52, 5365990), (56, 4982705), (65, 4292792), (70, 3986164), (91, 3066280), (94, 2968420), (98, 2847260), (104, 2682995), (130, 2146396), (140, 1993082), (182, 1533140), (188, 1484210), (196, 1423630), (233, 1197560), (235, 1187368), (245, 1138904), (260, 1073198), (280, 996541), (329, 848120), (364, 766570), (376, 742105), (392, 711815), (455, 613256), (466, 598780), (470, 593684), (490, 569452), (520, 536599), (611, 456680), (637, 438040), (658, 424060), (728, 383285), (910, 306628), (932, 299390), (940, 296842), (980, 284726), (1165, 239512), (1222, 228340), (1274, 219020), (1316, 212030), (1631, 171080), (1645, 169624), (1820, 153314), (1864, 149695), (1880, 148421), (1960, 142363), (2303, 121160), (2330, 119756), (2444, 114170), (2548, 109510), (2632, 106015), (3029, 92120), (3055, 91336), (3185, 87608), (3262, 85540), (3290, 84812), (3640, 76657), (4277, 65240), (4606, 60580), (4660, 59878), (4888, 57085), (5096, 54755), (6058, 46060), (6110, 45668), (6370, 43804), (6524, 42770), (6580, 42406), (8155, 34216), (8554, 32620), (9212, 30290), (9320, 29939), (10951, 25480), (11417, 24440), (11515, 24232), (12116, 23030), (12220, 22834), (12740, 21902), (13048, 21385), (13160, 21203), (15145, 18424), (16310, 17108)]