209486520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4127}}^1$

素因数の和:4194

約数の個数: 128

約数和(自身を含む): 713318400

約数和(自身を除く): 503831880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 423, 470, 540, 564, 705, 846, 940, 1080, 1128, 1269, 1410, 1692, 1880, 2115, 2538, 2820, 3384, 4127, 4230, 5076, 5640, 6345, 8254, 8460, 10152, 12381, 12690, 16508, 16920, 20635, 24762, 25380, 33016, 37143, 41270, 49524, 50760, 61905, 74286, 82540, 99048, 111429, 123810, 148572, 165080, 185715, 193969, 222858, 247620, 297144, 371430, 387938, 445716, 495240, 557145, 581907, 742860, 775876, 891432, 969845, 1114290, 1163814, 1485720, 1551752, 1745721, 1939690, 2228580, 2327628, 2909535, 3491442, 3879380, 4457160, 4655256, 5237163, 5819070, 6982884, 7758760, 8728605, 10474326, 11638140, 13965768, 17457210, 20948652, 23276280, 26185815, 34914420, 41897304, 52371630, 69828840, 104743260, 209486520]

約数ペア:

[(1, 209486520), (2, 104743260), (3, 69828840), (4, 52371630), (5, 41897304), (6, 34914420), (8, 26185815), (9, 23276280), (10, 20948652), (12, 17457210), (15, 13965768), (18, 11638140), (20, 10474326), (24, 8728605), (27, 7758760), (30, 6982884), (36, 5819070), (40, 5237163), (45, 4655256), (47, 4457160), (54, 3879380), (60, 3491442), (72, 2909535), (90, 2327628), (94, 2228580), (108, 1939690), (120, 1745721), (135, 1551752), (141, 1485720), (180, 1163814), (188, 1114290), (216, 969845), (235, 891432), (270, 775876), (282, 742860), (360, 581907), (376, 557145), (423, 495240), (470, 445716), (540, 387938), (564, 371430), (705, 297144), (846, 247620), (940, 222858), (1080, 193969), (1128, 185715), (1269, 165080), (1410, 148572), (1692, 123810), (1880, 111429), (2115, 99048), (2538, 82540), (2820, 74286), (3384, 61905), (4127, 50760), (4230, 49524), (5076, 41270), (5640, 37143), (6345, 33016), (8254, 25380), (8460, 24762), (10152, 20635), (12381, 16920), (12690, 16508)]