304899280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3917}}^1$

素因数の和:4076

約数の個数: 80

約数和(自身を含む): 816197760

約数和(自身を除く): 511298480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1946, 2224, 2780, 3892, 3917, 4865, 5560, 7784, 7834, 9730, 11120, 15568, 15668, 19460, 19585, 27419, 31336, 38920, 39170, 54838, 62672, 77840, 78340, 109676, 137095, 156680, 219352, 274190, 313360, 438704, 544463, 548380, 1088926, 1096760, 2177852, 2193520, 2722315, 3811241, 4355704, 5444630, 7622482, 8711408, 10889260, 15244964, 19056205, 21778520, 30489928, 38112410, 43557040, 60979856, 76224820, 152449640, 304899280]

約数ペア:

[(1, 304899280), (2, 152449640), (4, 76224820), (5, 60979856), (7, 43557040), (8, 38112410), (10, 30489928), (14, 21778520), (16, 19056205), (20, 15244964), (28, 10889260), (35, 8711408), (40, 7622482), (56, 5444630), (70, 4355704), (80, 3811241), (112, 2722315), (139, 2193520), (140, 2177852), (278, 1096760), (280, 1088926), (556, 548380), (560, 544463), (695, 438704), (973, 313360), (1112, 274190), (1390, 219352), (1946, 156680), (2224, 137095), (2780, 109676), (3892, 78340), (3917, 77840), (4865, 62672), (5560, 54838), (7784, 39170), (7834, 38920), (9730, 31336), (11120, 27419), (15568, 19585), (15668, 19460)]