78541870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 165364416

約数和(自身を除く): 86822546

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 97, 110, 170, 187, 194, 374, 433, 485, 866, 935, 970, 1067, 1649, 1870, 2134, 2165, 3298, 4330, 4763, 5335, 7361, 8245, 9526, 10670, 14722, 16490, 18139, 23815, 36278, 36805, 42001, 47630, 73610, 80971, 84002, 90695, 161942, 181390, 210005, 404855, 420010, 462011, 714017, 809710, 924022, 1428034, 2310055, 3570085, 4620110, 7140170, 7854187, 15708374, 39270935, 78541870]

約数ペア:

[(1, 78541870), (2, 39270935), (5, 15708374), (10, 7854187), (11, 7140170), (17, 4620110), (22, 3570085), (34, 2310055), (55, 1428034), (85, 924022), (97, 809710), (110, 714017), (170, 462011), (187, 420010), (194, 404855), (374, 210005), (433, 181390), (485, 161942), (866, 90695), (935, 84002), (970, 80971), (1067, 73610), (1649, 47630), (1870, 42001), (2134, 36805), (2165, 36278), (3298, 23815), (4330, 18139), (4763, 16490), (5335, 14722), (7361, 10670), (8245, 9526)]