450505020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4943}}^1$

素因数の和:5000

約数の個数: 144

約数和(自身を含む): 1514999808

約数和(自身を除く): 1064494788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3255, 4340, 4557, 4943, 6076, 6510, 7595, 9114, 9886, 13020, 14829, 15190, 18228, 19772, 22785, 24715, 29658, 30380, 34601, 45570, 49430, 59316, 69202, 74145, 91140, 98860, 103803, 138404, 148290, 153233, 173005, 207606, 242207, 296580, 306466, 346010, 415212, 459699, 484414, 519015, 612932, 692020, 726621, 766165, 919398, 968828, 1038030, 1072631, 1211035, 1453242, 1532330, 1838796, 2076060, 2145262, 2298495, 2422070, 2906484, 3064660, 3217893, 3633105, 4290524, 4596990, 4844140, 5363155, 6435786, 7266210, 7508417, 9193980, 10726310, 12871572, 14532420, 15016834, 16089465, 21452620, 22525251, 30033668, 32178930, 37542085, 45050502, 64357860, 75084170, 90101004, 112626255, 150168340, 225252510, 450505020]

約数ペア:

[(1, 450505020), (2, 225252510), (3, 150168340), (4, 112626255), (5, 90101004), (6, 75084170), (7, 64357860), (10, 45050502), (12, 37542085), (14, 32178930), (15, 30033668), (20, 22525251), (21, 21452620), (28, 16089465), (30, 15016834), (31, 14532420), (35, 12871572), (42, 10726310), (49, 9193980), (60, 7508417), (62, 7266210), (70, 6435786), (84, 5363155), (93, 4844140), (98, 4596990), (105, 4290524), (124, 3633105), (140, 3217893), (147, 3064660), (155, 2906484), (186, 2422070), (196, 2298495), (210, 2145262), (217, 2076060), (245, 1838796), (294, 1532330), (310, 1453242), (372, 1211035), (420, 1072631), (434, 1038030), (465, 968828), (490, 919398), (588, 766165), (620, 726621), (651, 692020), (735, 612932), (868, 519015), (930, 484414), (980, 459699), (1085, 415212), (1302, 346010), (1470, 306466), (1519, 296580), (1860, 242207), (2170, 207606), (2604, 173005), (2940, 153233), (3038, 148290), (3255, 138404), (4340, 103803), (4557, 98860), (4943, 91140), (6076, 74145), (6510, 69202), (7595, 59316), (9114, 49430), (9886, 45570), (13020, 34601), (14829, 30380), (15190, 29658), (18228, 24715), (19772, 22785)]