245741860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19289}}^1$

素因数の和:19325

約数の個数: 72

約数和(自身を含む): 646523640

約数和(自身を除く): 400781780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 19289, 38578, 77156, 96445, 135023, 192890, 250757, 270046, 385780, 501514, 540092, 675115, 945161, 1003028, 1253785, 1350230, 1755299, 1890322, 2507570, 2700460, 3510598, 3780644, 4725805, 5015140, 7021196, 8776495, 9451610, 12287093, 17552990, 18903220, 24574186, 35105980, 49148372, 61435465, 122870930, 245741860]

約数ペア:

[(1, 245741860), (2, 122870930), (4, 61435465), (5, 49148372), (7, 35105980), (10, 24574186), (13, 18903220), (14, 17552990), (20, 12287093), (26, 9451610), (28, 8776495), (35, 7021196), (49, 5015140), (52, 4725805), (65, 3780644), (70, 3510598), (91, 2700460), (98, 2507570), (130, 1890322), (140, 1755299), (182, 1350230), (196, 1253785), (245, 1003028), (260, 945161), (364, 675115), (455, 540092), (490, 501514), (637, 385780), (910, 270046), (980, 250757), (1274, 192890), (1820, 135023), (2548, 96445), (3185, 77156), (6370, 38578), (12740, 19289)]