209184680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 523670400

約数和(自身を除く): 314485720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 43, 74, 76, 86, 95, 148, 152, 172, 173, 185, 190, 215, 296, 344, 346, 370, 380, 430, 692, 703, 740, 760, 817, 860, 865, 1384, 1406, 1480, 1591, 1634, 1720, 1730, 2812, 3182, 3268, 3287, 3460, 3515, 4085, 5624, 6364, 6401, 6536, 6574, 6920, 7030, 7439, 7955, 8170, 12728, 12802, 13148, 14060, 14878, 15910, 16340, 16435, 25604, 26296, 28120, 29756, 30229, 31820, 32005, 32680, 32870, 37195, 51208, 59512, 60458, 63640, 64010, 65740, 74390, 120916, 121619, 128020, 131480, 141341, 148780, 151145, 241832, 243238, 256040, 275243, 282682, 297560, 302290, 486476, 550486, 565364, 604580, 608095, 706705, 972952, 1100972, 1130728, 1209160, 1216190, 1376215, 1413410, 2201944, 2432380, 2752430, 2826820, 4864760, 5229617, 5504860, 5653640, 10459234, 11009720, 20918468, 26148085, 41836936, 52296170, 104592340, 209184680]

約数ペア:

[(1, 209184680), (2, 104592340), (4, 52296170), (5, 41836936), (8, 26148085), (10, 20918468), (19, 11009720), (20, 10459234), (37, 5653640), (38, 5504860), (40, 5229617), (43, 4864760), (74, 2826820), (76, 2752430), (86, 2432380), (95, 2201944), (148, 1413410), (152, 1376215), (172, 1216190), (173, 1209160), (185, 1130728), (190, 1100972), (215, 972952), (296, 706705), (344, 608095), (346, 604580), (370, 565364), (380, 550486), (430, 486476), (692, 302290), (703, 297560), (740, 282682), (760, 275243), (817, 256040), (860, 243238), (865, 241832), (1384, 151145), (1406, 148780), (1480, 141341), (1591, 131480), (1634, 128020), (1720, 121619), (1730, 120916), (2812, 74390), (3182, 65740), (3268, 64010), (3287, 63640), (3460, 60458), (3515, 59512), (4085, 51208), (5624, 37195), (6364, 32870), (6401, 32680), (6536, 32005), (6574, 31820), (6920, 30229), (7030, 29756), (7439, 28120), (7955, 26296), (8170, 25604), (12728, 16435), (12802, 16340), (13148, 15910), (14060, 14878)]