450142420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 1200543120

約数和(自身を除く): 750400700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 89, 91, 98, 130, 140, 178, 182, 196, 245, 260, 356, 364, 397, 445, 455, 490, 623, 637, 794, 890, 910, 980, 1157, 1246, 1274, 1588, 1780, 1820, 1985, 2314, 2492, 2548, 2779, 3115, 3185, 3970, 4361, 4628, 5161, 5558, 5785, 6230, 6370, 7940, 8099, 8722, 10322, 11116, 11570, 12460, 12740, 13895, 16198, 17444, 19453, 20644, 21805, 23140, 25805, 27790, 32396, 35333, 36127, 38906, 40495, 43610, 51610, 55580, 56693, 70666, 72254, 77812, 80990, 87220, 97265, 103220, 113386, 141332, 144508, 161980, 176665, 180635, 194530, 226772, 247331, 252889, 283465, 353330, 361270, 389060, 459329, 494662, 505778, 566930, 706660, 722540, 918658, 989324, 1011556, 1133860, 1236655, 1264445, 1731317, 1837316, 2296645, 2473310, 2528890, 3215303, 3462634, 4593290, 4946620, 5057780, 6430606, 6925268, 8656585, 9186580, 12861212, 16076515, 17313170, 22507121, 32153030, 34626340, 45014242, 64306060, 90028484, 112535605, 225071210, 450142420]

約数ペア:

[(1, 450142420), (2, 225071210), (4, 112535605), (5, 90028484), (7, 64306060), (10, 45014242), (13, 34626340), (14, 32153030), (20, 22507121), (26, 17313170), (28, 16076515), (35, 12861212), (49, 9186580), (52, 8656585), (65, 6925268), (70, 6430606), (89, 5057780), (91, 4946620), (98, 4593290), (130, 3462634), (140, 3215303), (178, 2528890), (182, 2473310), (196, 2296645), (245, 1837316), (260, 1731317), (356, 1264445), (364, 1236655), (397, 1133860), (445, 1011556), (455, 989324), (490, 918658), (623, 722540), (637, 706660), (794, 566930), (890, 505778), (910, 494662), (980, 459329), (1157, 389060), (1246, 361270), (1274, 353330), (1588, 283465), (1780, 252889), (1820, 247331), (1985, 226772), (2314, 194530), (2492, 180635), (2548, 176665), (2779, 161980), (3115, 144508), (3185, 141332), (3970, 113386), (4361, 103220), (4628, 97265), (5161, 87220), (5558, 80990), (5785, 77812), (6230, 72254), (6370, 70666), (7940, 56693), (8099, 55580), (8722, 51610), (10322, 43610), (11116, 40495), (11570, 38906), (12460, 36127), (12740, 35333), (13895, 32396), (16198, 27790), (17444, 25805), (19453, 23140), (20644, 21805)]