297995720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{39839}}^1$

素因数の和:39878

約数の個数: 64

約数和(自身を含む): 774489600

約数和(自身を除く): 476493880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 39839, 79678, 159356, 199195, 318712, 398390, 438229, 677263, 796780, 876458, 1354526, 1593560, 1752916, 2191145, 2709052, 3386315, 3505832, 4382290, 5418104, 6772630, 7449893, 8764580, 13545260, 14899786, 17529160, 27090520, 29799572, 37249465, 59599144, 74498930, 148997860, 297995720]

約数ペア:

[(1, 297995720), (2, 148997860), (4, 74498930), (5, 59599144), (8, 37249465), (10, 29799572), (11, 27090520), (17, 17529160), (20, 14899786), (22, 13545260), (34, 8764580), (40, 7449893), (44, 6772630), (55, 5418104), (68, 4382290), (85, 3505832), (88, 3386315), (110, 2709052), (136, 2191145), (170, 1752916), (187, 1593560), (220, 1354526), (340, 876458), (374, 796780), (440, 677263), (680, 438229), (748, 398390), (935, 318712), (1496, 199195), (1870, 159356), (3740, 79678), (7480, 39839)]