209580840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{109}}^2$

素因数の和:249

約数の個数: 216

約数和(自身を含む): 799679790

約数和(自身を除く): 590098950

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 109, 120, 126, 140, 147, 168, 180, 196, 210, 218, 245, 252, 280, 294, 315, 327, 360, 392, 420, 436, 441, 490, 504, 545, 588, 630, 654, 735, 763, 840, 872, 882, 980, 981, 1090, 1176, 1260, 1308, 1470, 1526, 1635, 1764, 1960, 1962, 2180, 2205, 2289, 2520, 2616, 2940, 3052, 3270, 3528, 3815, 3924, 4360, 4410, 4578, 4905, 5341, 5880, 6104, 6540, 6867, 7630, 7848, 8820, 9156, 9810, 10682, 11445, 11881, 13080, 13734, 15260, 16023, 17640, 18312, 19620, 21364, 22890, 23762, 26705, 27468, 30520, 32046, 34335, 35643, 39240, 42728, 45780, 47524, 48069, 53410, 54936, 59405, 64092, 68670, 71286, 80115, 83167, 91560, 95048, 96138, 106820, 106929, 118810, 128184, 137340, 142572, 160230, 166334, 178215, 192276, 213640, 213858, 237620, 240345, 249501, 274680, 285144, 320460, 332668, 356430, 384552, 415835, 427716, 475240, 480690, 499002, 534645, 582169, 640920, 665336, 712860, 748503, 831670, 855432, 961380, 998004, 1069290, 1164338, 1247505, 1425720, 1497006, 1663340, 1746507, 1922760, 1996008, 2138580, 2328676, 2495010, 2910845, 2994012, 3326680, 3493014, 3742515, 4277160, 4657352, 4990020, 5239521, 5821690, 5988024, 6986028, 7485030, 8732535, 9980040, 10479042, 11643380, 13972056, 14970060, 17465070, 20958084, 23286760, 26197605, 29940120, 34930140, 41916168, 52395210, 69860280, 104790420, 209580840]

約数ペア:

[(1, 209580840), (2, 104790420), (3, 69860280), (4, 52395210), (5, 41916168), (6, 34930140), (7, 29940120), (8, 26197605), (9, 23286760), (10, 20958084), (12, 17465070), (14, 14970060), (15, 13972056), (18, 11643380), (20, 10479042), (21, 9980040), (24, 8732535), (28, 7485030), (30, 6986028), (35, 5988024), (36, 5821690), (40, 5239521), (42, 4990020), (45, 4657352), (49, 4277160), (56, 3742515), (60, 3493014), (63, 3326680), (70, 2994012), (72, 2910845), (84, 2495010), (90, 2328676), (98, 2138580), (105, 1996008), (109, 1922760), (120, 1746507), (126, 1663340), (140, 1497006), (147, 1425720), (168, 1247505), (180, 1164338), (196, 1069290), (210, 998004), (218, 961380), (245, 855432), (252, 831670), (280, 748503), (294, 712860), (315, 665336), (327, 640920), (360, 582169), (392, 534645), (420, 499002), (436, 480690), (441, 475240), (490, 427716), (504, 415835), (545, 384552), (588, 356430), (630, 332668), (654, 320460), (735, 285144), (763, 274680), (840, 249501), (872, 240345), (882, 237620), (980, 213858), (981, 213640), (1090, 192276), (1176, 178215), (1260, 166334), (1308, 160230), (1470, 142572), (1526, 137340), (1635, 128184), (1764, 118810), (1960, 106929), (1962, 106820), (2180, 96138), (2205, 95048), (2289, 91560), (2520, 83167), (2616, 80115), (2940, 71286), (3052, 68670), (3270, 64092), (3528, 59405), (3815, 54936), (3924, 53410), (4360, 48069), (4410, 47524), (4578, 45780), (4905, 42728), (5341, 39240), (5880, 35643), (6104, 34335), (6540, 32046), (6867, 30520), (7630, 27468), (7848, 26705), (8820, 23762), (9156, 22890), (9810, 21364), (10682, 19620), (11445, 18312), (11881, 17640), (13080, 16023), (13734, 15260)]