142808456

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 317011200

約数和(自身を除く): 174202744

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 157, 259, 296, 314, 439, 518, 628, 878, 1036, 1099, 1256, 1756, 2072, 2198, 3073, 3512, 4396, 5809, 6146, 8792, 11618, 12292, 16243, 23236, 24584, 32486, 40663, 46472, 64972, 68923, 81326, 113701, 129944, 137846, 162652, 227402, 275692, 325304, 454804, 482461, 551384, 909608, 964922, 1929844, 2550151, 3859688, 5100302, 10200604, 17851057, 20401208, 35702114, 71404228, 142808456]

約数ペア:

[(1, 142808456), (2, 71404228), (4, 35702114), (7, 20401208), (8, 17851057), (14, 10200604), (28, 5100302), (37, 3859688), (56, 2550151), (74, 1929844), (148, 964922), (157, 909608), (259, 551384), (296, 482461), (314, 454804), (439, 325304), (518, 275692), (628, 227402), (878, 162652), (1036, 137846), (1099, 129944), (1256, 113701), (1756, 81326), (2072, 68923), (2198, 64972), (3073, 46472), (3512, 40663), (4396, 32486), (5809, 24584), (6146, 23236), (8792, 16243), (11618, 12292)]