438876620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241141}}^1$

素因数の和:241170

約数の個数: 48

約数和(自身を含む): 1134331968

約数和(自身を除く): 695455348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 241141, 482282, 964564, 1205705, 1687987, 2411410, 3134833, 3375974, 4822820, 6269666, 6751948, 8439935, 12539332, 15674165, 16879870, 21943831, 31348330, 33759740, 43887662, 62696660, 87775324, 109719155, 219438310, 438876620]

約数ペア:

[(1, 438876620), (2, 219438310), (4, 109719155), (5, 87775324), (7, 62696660), (10, 43887662), (13, 33759740), (14, 31348330), (20, 21943831), (26, 16879870), (28, 15674165), (35, 12539332), (52, 8439935), (65, 6751948), (70, 6269666), (91, 4822820), (130, 3375974), (140, 3134833), (182, 2411410), (260, 1687987), (364, 1205705), (455, 964564), (910, 482282), (1820, 241141)]