291270440

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{433}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 669332160

約数和(自身を除く): 378061720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 251, 268, 335, 433, 502, 536, 670, 866, 1004, 1255, 1340, 1732, 2008, 2165, 2510, 2680, 3464, 4330, 5020, 8660, 10040, 16817, 17320, 29011, 33634, 58022, 67268, 84085, 108683, 116044, 134536, 145055, 168170, 217366, 232088, 290110, 336340, 434732, 543415, 580220, 672680, 869464, 1086830, 1160440, 2173660, 4347320, 7281761, 14563522, 29127044, 36408805, 58254088, 72817610, 145635220, 291270440]

約数ペア:

[(1, 291270440), (2, 145635220), (4, 72817610), (5, 58254088), (8, 36408805), (10, 29127044), (20, 14563522), (40, 7281761), (67, 4347320), (134, 2173660), (251, 1160440), (268, 1086830), (335, 869464), (433, 672680), (502, 580220), (536, 543415), (670, 434732), (866, 336340), (1004, 290110), (1255, 232088), (1340, 217366), (1732, 168170), (2008, 145055), (2165, 134536), (2510, 116044), (2680, 108683), (3464, 84085), (4330, 67268), (5020, 58022), (8660, 33634), (10040, 29011), (16817, 17320)]