280073412

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:933

約数の個数: 72

約数和(自身を含む): 725601240

約数和(自身を除く): 445527828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 229, 318, 458, 477, 636, 641, 687, 916, 954, 1282, 1374, 1908, 1923, 2061, 2564, 2748, 3846, 4122, 5769, 7692, 8244, 11538, 12137, 23076, 24274, 33973, 36411, 48548, 67946, 72822, 101919, 109233, 135892, 145644, 146789, 203838, 218466, 293578, 305757, 407676, 436932, 440367, 587156, 611514, 880734, 1223028, 1321101, 1761468, 2642202, 5284404, 7779817, 15559634, 23339451, 31119268, 46678902, 70018353, 93357804, 140036706, 280073412]

約数ペア:

[(1, 280073412), (2, 140036706), (3, 93357804), (4, 70018353), (6, 46678902), (9, 31119268), (12, 23339451), (18, 15559634), (36, 7779817), (53, 5284404), (106, 2642202), (159, 1761468), (212, 1321101), (229, 1223028), (318, 880734), (458, 611514), (477, 587156), (636, 440367), (641, 436932), (687, 407676), (916, 305757), (954, 293578), (1282, 218466), (1374, 203838), (1908, 146789), (1923, 145644), (2061, 135892), (2564, 109233), (2748, 101919), (3846, 72822), (4122, 67946), (5769, 48548), (7692, 36411), (8244, 33973), (11538, 24274), (12137, 23076)]