280838012

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5801}}^1$

素因数の和:5851

約数の個数: 72

約数和(自身を含む): 648199440

約数和(自身を除く): 367361428

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 2548, 3458, 3724, 5801, 6916, 11602, 12103, 23204, 24206, 40607, 48412, 75413, 81214, 110219, 150826, 162428, 220438, 284249, 301652, 440876, 527891, 568498, 771533, 1055782, 1136996, 1432847, 1543066, 2111564, 2865694, 3086132, 3695237, 5400731, 5731388, 7390474, 10029929, 10801462, 14780948, 20059858, 21602924, 40119716, 70209503, 140419006, 280838012]

約数ペア:

[(1, 280838012), (2, 140419006), (4, 70209503), (7, 40119716), (13, 21602924), (14, 20059858), (19, 14780948), (26, 10801462), (28, 10029929), (38, 7390474), (49, 5731388), (52, 5400731), (76, 3695237), (91, 3086132), (98, 2865694), (133, 2111564), (182, 1543066), (196, 1432847), (247, 1136996), (266, 1055782), (364, 771533), (494, 568498), (532, 527891), (637, 440876), (931, 301652), (988, 284249), (1274, 220438), (1729, 162428), (1862, 150826), (2548, 110219), (3458, 81214), (3724, 75413), (5801, 48412), (6916, 40607), (11602, 24206), (12103, 23204)]