255290420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1709}}^1$

素因数の和:1833

約数の個数: 96

約数和(自身を含む): 675682560

約数和(自身を除く): 420392140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 97, 110, 140, 154, 194, 220, 308, 385, 388, 485, 679, 770, 970, 1067, 1358, 1540, 1709, 1940, 2134, 2716, 3395, 3418, 4268, 5335, 6790, 6836, 7469, 8545, 10670, 11963, 13580, 14938, 17090, 18799, 21340, 23926, 29876, 34180, 37345, 37598, 47852, 59815, 74690, 75196, 93995, 119630, 131593, 149380, 165773, 187990, 239260, 263186, 331546, 375980, 526372, 657965, 663092, 828865, 1160411, 1315930, 1657730, 1823503, 2320822, 2631860, 3315460, 3647006, 4641644, 5802055, 7294012, 9117515, 11604110, 12764521, 18235030, 23208220, 25529042, 36470060, 51058084, 63822605, 127645210, 255290420]

約数ペア:

[(1, 255290420), (2, 127645210), (4, 63822605), (5, 51058084), (7, 36470060), (10, 25529042), (11, 23208220), (14, 18235030), (20, 12764521), (22, 11604110), (28, 9117515), (35, 7294012), (44, 5802055), (55, 4641644), (70, 3647006), (77, 3315460), (97, 2631860), (110, 2320822), (140, 1823503), (154, 1657730), (194, 1315930), (220, 1160411), (308, 828865), (385, 663092), (388, 657965), (485, 526372), (679, 375980), (770, 331546), (970, 263186), (1067, 239260), (1358, 187990), (1540, 165773), (1709, 149380), (1940, 131593), (2134, 119630), (2716, 93995), (3395, 75196), (3418, 74690), (4268, 59815), (5335, 47852), (6790, 37598), (6836, 37345), (7469, 34180), (8545, 29876), (10670, 23926), (11963, 21340), (13580, 18799), (14938, 17090)]