278314660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1157

約数の個数: 96

約数和(自身を含む): 675682560

約数和(自身を除く): 397367900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 53, 65, 76, 95, 106, 130, 190, 212, 247, 260, 265, 380, 494, 530, 689, 988, 1007, 1060, 1063, 1235, 1378, 2014, 2126, 2470, 2756, 3445, 4028, 4252, 4940, 5035, 5315, 6890, 10070, 10630, 13091, 13780, 13819, 20140, 20197, 21260, 26182, 27638, 40394, 52364, 55276, 56339, 65455, 69095, 80788, 100985, 112678, 130910, 138190, 201970, 225356, 261820, 262561, 276380, 281695, 403940, 525122, 563390, 732407, 1050244, 1070441, 1126780, 1312805, 1464814, 2140882, 2625610, 2929628, 3662035, 4281764, 5251220, 5352205, 7324070, 10704410, 13915733, 14648140, 21408820, 27831466, 55662932, 69578665, 139157330, 278314660]

約数ペア:

[(1, 278314660), (2, 139157330), (4, 69578665), (5, 55662932), (10, 27831466), (13, 21408820), (19, 14648140), (20, 13915733), (26, 10704410), (38, 7324070), (52, 5352205), (53, 5251220), (65, 4281764), (76, 3662035), (95, 2929628), (106, 2625610), (130, 2140882), (190, 1464814), (212, 1312805), (247, 1126780), (260, 1070441), (265, 1050244), (380, 732407), (494, 563390), (530, 525122), (689, 403940), (988, 281695), (1007, 276380), (1060, 262561), (1063, 261820), (1235, 225356), (1378, 201970), (2014, 138190), (2126, 130910), (2470, 112678), (2756, 100985), (3445, 80788), (4028, 69095), (4252, 65455), (4940, 56339), (5035, 55276), (5315, 52364), (6890, 40394), (10070, 27638), (10630, 26182), (13091, 21260), (13780, 20197), (13819, 20140)]