220374784

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3967}}^1$

素因数の和:4021

約数の個数: 72

約数和(自身を含む): 519077888

約数和(自身を除く): 298703104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3967, 3968, 6944, 7934, 7936, 13888, 15868, 27769, 27776, 31736, 55538, 55552, 63472, 111076, 122977, 126944, 222152, 245954, 253888, 444304, 491908, 507776, 860839, 888608, 983816, 1015552, 1721678, 1777216, 1967632, 3443356, 3554432, 3935264, 6886712, 7108864, 7870528, 13773424, 15741056, 27546848, 31482112, 55093696, 110187392, 220374784]

約数ペア:

[(1, 220374784), (2, 110187392), (4, 55093696), (7, 31482112), (8, 27546848), (14, 15741056), (16, 13773424), (28, 7870528), (31, 7108864), (32, 6886712), (56, 3935264), (62, 3554432), (64, 3443356), (112, 1967632), (124, 1777216), (128, 1721678), (217, 1015552), (224, 983816), (248, 888608), (256, 860839), (434, 507776), (448, 491908), (496, 444304), (868, 253888), (896, 245954), (992, 222152), (1736, 126944), (1792, 122977), (1984, 111076), (3472, 63472), (3967, 55552), (3968, 55538), (6944, 31736), (7934, 27776), (7936, 27769), (13888, 15868)]