28534380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67939}}^1$

素因数の和:67958

約数の個数: 48

約数和(自身を含む): 91311360

約数和(自身を除く): 62776980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67939, 135878, 203817, 271756, 339695, 407634, 475573, 679390, 815268, 951146, 1019085, 1358780, 1426719, 1902292, 2038170, 2377865, 2853438, 4076340, 4755730, 5706876, 7133595, 9511460, 14267190, 28534380]

約数ペア:

[(1, 28534380), (2, 14267190), (3, 9511460), (4, 7133595), (5, 5706876), (6, 4755730), (7, 4076340), (10, 2853438), (12, 2377865), (14, 2038170), (15, 1902292), (20, 1426719), (21, 1358780), (28, 1019085), (30, 951146), (35, 815268), (42, 679390), (60, 475573), (70, 407634), (84, 339695), (105, 271756), (140, 203817), (210, 135878), (420, 67939)]