278340920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48661}}^1$

素因数の和:48696

約数の個数: 64

約数和(自身を含む): 735769440

約数和(自身を除く): 457428520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 48661, 97322, 194644, 243305, 389288, 486610, 535271, 632593, 973220, 1070542, 1265186, 1946440, 2141084, 2530372, 2676355, 3162965, 4282168, 5060744, 5352710, 6325930, 6958523, 10705420, 12651860, 13917046, 21410840, 25303720, 27834092, 34792615, 55668184, 69585230, 139170460, 278340920]

約数ペア:

[(1, 278340920), (2, 139170460), (4, 69585230), (5, 55668184), (8, 34792615), (10, 27834092), (11, 25303720), (13, 21410840), (20, 13917046), (22, 12651860), (26, 10705420), (40, 6958523), (44, 6325930), (52, 5352710), (55, 5060744), (65, 4282168), (88, 3162965), (104, 2676355), (110, 2530372), (130, 2141084), (143, 1946440), (220, 1265186), (260, 1070542), (286, 973220), (440, 632593), (520, 535271), (572, 486610), (715, 389288), (1144, 243305), (1430, 194644), (2860, 97322), (5720, 48661)]