260277220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{761}}^1$

素因数の和:1133

約数の個数: 72

約数和(自身を含む): 638479800

約数和(自身を除く): 378202580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 349, 490, 698, 761, 980, 1396, 1522, 1745, 2443, 3044, 3490, 3805, 4886, 5327, 6980, 7610, 9772, 10654, 12215, 15220, 17101, 21308, 24430, 26635, 34202, 37289, 48860, 53270, 68404, 74578, 85505, 106540, 149156, 171010, 186445, 265589, 342020, 372890, 531178, 745780, 1062356, 1327945, 1859123, 2655890, 3718246, 5311780, 7436492, 9295615, 13013861, 18591230, 26027722, 37182460, 52055444, 65069305, 130138610, 260277220]

約数ペア:

[(1, 260277220), (2, 130138610), (4, 65069305), (5, 52055444), (7, 37182460), (10, 26027722), (14, 18591230), (20, 13013861), (28, 9295615), (35, 7436492), (49, 5311780), (70, 3718246), (98, 2655890), (140, 1859123), (196, 1327945), (245, 1062356), (349, 745780), (490, 531178), (698, 372890), (761, 342020), (980, 265589), (1396, 186445), (1522, 171010), (1745, 149156), (2443, 106540), (3044, 85505), (3490, 74578), (3805, 68404), (4886, 53270), (5327, 48860), (6980, 37289), (7610, 34202), (9772, 26635), (10654, 24430), (12215, 21308), (15220, 17101)]