279050590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:722

約数の個数: 96

約数和(自身を含む): 639140544

約数和(自身を除く): 360089954

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 71, 91, 98, 130, 142, 182, 245, 355, 455, 490, 497, 617, 637, 710, 910, 923, 994, 1234, 1274, 1846, 2485, 3085, 3185, 3479, 4319, 4615, 4970, 6170, 6370, 6461, 6958, 8021, 8638, 9230, 12922, 16042, 17395, 21595, 30233, 32305, 34790, 40105, 43190, 43807, 45227, 56147, 60466, 64610, 80210, 87614, 90454, 112294, 151165, 219035, 226135, 280735, 302330, 306649, 393029, 438070, 452270, 561470, 569491, 613298, 786058, 1138982, 1533245, 1965145, 2146543, 2847455, 3066490, 3930290, 3986437, 4293086, 5694910, 7972874, 10732715, 19932185, 21465430, 27905059, 39864370, 55810118, 139525295, 279050590]

約数ペア:

[(1, 279050590), (2, 139525295), (5, 55810118), (7, 39864370), (10, 27905059), (13, 21465430), (14, 19932185), (26, 10732715), (35, 7972874), (49, 5694910), (65, 4293086), (70, 3986437), (71, 3930290), (91, 3066490), (98, 2847455), (130, 2146543), (142, 1965145), (182, 1533245), (245, 1138982), (355, 786058), (455, 613298), (490, 569491), (497, 561470), (617, 452270), (637, 438070), (710, 393029), (910, 306649), (923, 302330), (994, 280735), (1234, 226135), (1274, 219035), (1846, 151165), (2485, 112294), (3085, 90454), (3185, 87614), (3479, 80210), (4319, 64610), (4615, 60466), (4970, 56147), (6170, 45227), (6370, 43807), (6461, 43190), (6958, 40105), (8021, 34790), (8638, 32305), (9230, 30233), (12922, 21595), (16042, 17395)]