389750480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3121}}^1$

素因数の和:3364

約数の個数: 80

約数和(自身を含む): 1040600064

約数和(自身を除く): 650849584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 560, 892, 1115, 1561, 1784, 2230, 3121, 3122, 3568, 4460, 6242, 6244, 7805, 8920, 12484, 12488, 15605, 15610, 17840, 21847, 24968, 24976, 31210, 31220, 43694, 49936, 62420, 62440, 87388, 109235, 124840, 124880, 174776, 218470, 249680, 349552, 436940, 695983, 873880, 1391966, 1747760, 2783932, 3479915, 4871881, 5567864, 6959830, 9743762, 11135728, 13919660, 19487524, 24359405, 27839320, 38975048, 48718810, 55678640, 77950096, 97437620, 194875240, 389750480]

約数ペア:

[(1, 389750480), (2, 194875240), (4, 97437620), (5, 77950096), (7, 55678640), (8, 48718810), (10, 38975048), (14, 27839320), (16, 24359405), (20, 19487524), (28, 13919660), (35, 11135728), (40, 9743762), (56, 6959830), (70, 5567864), (80, 4871881), (112, 3479915), (140, 2783932), (223, 1747760), (280, 1391966), (446, 873880), (560, 695983), (892, 436940), (1115, 349552), (1561, 249680), (1784, 218470), (2230, 174776), (3121, 124880), (3122, 124840), (3568, 109235), (4460, 87388), (6242, 62440), (6244, 62420), (7805, 49936), (8920, 43694), (12484, 31220), (12488, 31210), (15605, 24976), (15610, 24968), (17840, 21847)]