222778360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1741}}^1$

素因数の和:2216

約数の個数: 64

約数和(自身を含む): 574441920

約数和(自身を除く): 351663560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 457, 914, 1741, 1828, 2285, 3199, 3482, 3656, 4570, 6398, 6964, 8705, 9140, 12187, 12796, 13928, 15995, 17410, 18280, 24374, 25592, 31990, 34820, 48748, 60935, 63980, 69640, 97496, 121870, 127960, 243740, 487480, 795637, 1591274, 3182548, 3978185, 5569459, 6365096, 7956370, 11138918, 15912740, 22277836, 27847295, 31825480, 44555672, 55694590, 111389180, 222778360]

約数ペア:

[(1, 222778360), (2, 111389180), (4, 55694590), (5, 44555672), (7, 31825480), (8, 27847295), (10, 22277836), (14, 15912740), (20, 11138918), (28, 7956370), (35, 6365096), (40, 5569459), (56, 3978185), (70, 3182548), (140, 1591274), (280, 795637), (457, 487480), (914, 243740), (1741, 127960), (1828, 121870), (2285, 97496), (3199, 69640), (3482, 63980), (3656, 60935), (4570, 48748), (6398, 34820), (6964, 31990), (8705, 25592), (9140, 24374), (12187, 18280), (12796, 17410), (13928, 15995)]