205408840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56431}}^1$

素因数の和:56462

約数の個数: 64

約数和(自身を含む): 568834560

約数和(自身を除く): 363425720

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, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 56431, 112862, 225724, 282155, 395017, 451448, 564310, 733603, 790034, 1128620, 1467206, 1580068, 1975085, 2257240, 2934412, 3160136, 3668015, 3950170, 5135221, 5868824, 7336030, 7900340, 10270442, 14672060, 15800680, 20540884, 25676105, 29344120, 41081768, 51352210, 102704420, 205408840]

約数ペア:

[(1, 205408840), (2, 102704420), (4, 51352210), (5, 41081768), (7, 29344120), (8, 25676105), (10, 20540884), (13, 15800680), (14, 14672060), (20, 10270442), (26, 7900340), (28, 7336030), (35, 5868824), (40, 5135221), (52, 3950170), (56, 3668015), (65, 3160136), (70, 2934412), (91, 2257240), (104, 1975085), (130, 1580068), (140, 1467206), (182, 1128620), (260, 790034), (280, 733603), (364, 564310), (455, 451448), (520, 395017), (728, 282155), (910, 225724), (1820, 112862), (3640, 56431)]