2017334840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1\times {\mathrm{1249}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 4590000000

約数和(自身を除く): 2572665160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 271, 298, 542, 596, 745, 1084, 1192, 1249, 1355, 1490, 2168, 2498, 2710, 2980, 4996, 5420, 5960, 6245, 9992, 10840, 12490, 24980, 40379, 49960, 80758, 161516, 186101, 201895, 323032, 338479, 372202, 403790, 676958, 744404, 807580, 930505, 1353916, 1488808, 1615160, 1692395, 1861010, 2707832, 3384790, 3722020, 6769580, 7444040, 13539160, 50433371, 100866742, 201733484, 252166855, 403466968, 504333710, 1008667420, 2017334840]

約数ペア:

[(1, 2017334840), (2, 1008667420), (4, 504333710), (5, 403466968), (8, 252166855), (10, 201733484), (20, 100866742), (40, 50433371), (149, 13539160), (271, 7444040), (298, 6769580), (542, 3722020), (596, 3384790), (745, 2707832), (1084, 1861010), (1192, 1692395), (1249, 1615160), (1355, 1488808), (1490, 1353916), (2168, 930505), (2498, 807580), (2710, 744404), (2980, 676958), (4996, 403790), (5420, 372202), (5960, 338479), (6245, 323032), (9992, 201895), (10840, 186101), (12490, 161516), (24980, 80758), (40379, 49960)]