189462420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{21481}}^1$

素因数の和:21510

約数の個数: 108

約数和(自身を含む): 668562804

約数和(自身を除く): 479100384

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 21481, 42962, 64443, 85924, 107405, 128886, 150367, 193329, 214810, 257772, 300734, 322215, 386658, 429620, 451101, 601468, 644430, 751835, 773316, 902202, 966645, 1052569, 1288860, 1353303, 1503670, 1804404, 1933290, 2105138, 2255505, 2706606, 3007340, 3157707, 3866580, 4210276, 4511010, 5262845, 5413212, 6315414, 6766515, 9022020, 9473121, 10525690, 12630828, 13533030, 15788535, 18946242, 21051380, 27066060, 31577070, 37892484, 47365605, 63154140, 94731210, 189462420]

約数ペア:

[(1, 189462420), (2, 94731210), (3, 63154140), (4, 47365605), (5, 37892484), (6, 31577070), (7, 27066060), (9, 21051380), (10, 18946242), (12, 15788535), (14, 13533030), (15, 12630828), (18, 10525690), (20, 9473121), (21, 9022020), (28, 6766515), (30, 6315414), (35, 5413212), (36, 5262845), (42, 4511010), (45, 4210276), (49, 3866580), (60, 3157707), (63, 3007340), (70, 2706606), (84, 2255505), (90, 2105138), (98, 1933290), (105, 1804404), (126, 1503670), (140, 1353303), (147, 1288860), (180, 1052569), (196, 966645), (210, 902202), (245, 773316), (252, 751835), (294, 644430), (315, 601468), (420, 451101), (441, 429620), (490, 386658), (588, 322215), (630, 300734), (735, 257772), (882, 214810), (980, 193329), (1260, 150367), (1470, 128886), (1764, 107405), (2205, 85924), (2940, 64443), (4410, 42962), (8820, 21481)]