204984080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1571}}^1$

素因数の和:1824

約数の個数: 80

約数和(自身を含む): 547357824

約数和(自身を除く): 342373744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 280, 466, 560, 932, 1165, 1571, 1631, 1864, 2330, 3142, 3262, 3728, 4660, 6284, 6524, 7855, 8155, 9320, 10997, 12568, 13048, 15710, 16310, 18640, 21994, 25136, 26096, 31420, 32620, 43988, 54985, 62840, 65240, 87976, 109970, 125680, 130480, 175952, 219940, 366043, 439880, 732086, 879760, 1464172, 1830215, 2562301, 2928344, 3660430, 5124602, 5856688, 7320860, 10249204, 12811505, 14641720, 20498408, 25623010, 29283440, 40996816, 51246020, 102492040, 204984080]

約数ペア:

[(1, 204984080), (2, 102492040), (4, 51246020), (5, 40996816), (7, 29283440), (8, 25623010), (10, 20498408), (14, 14641720), (16, 12811505), (20, 10249204), (28, 7320860), (35, 5856688), (40, 5124602), (56, 3660430), (70, 2928344), (80, 2562301), (112, 1830215), (140, 1464172), (233, 879760), (280, 732086), (466, 439880), (560, 366043), (932, 219940), (1165, 175952), (1571, 130480), (1631, 125680), (1864, 109970), (2330, 87976), (3142, 65240), (3262, 62840), (3728, 54985), (4660, 43988), (6284, 32620), (6524, 31420), (7855, 26096), (8155, 25136), (9320, 21994), (10997, 18640), (12568, 16310), (13048, 15710)]