189005740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 511932960

約数和(自身を除く): 322927220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 89, 98, 110, 140, 154, 178, 196, 197, 220, 245, 308, 356, 385, 394, 445, 490, 539, 623, 770, 788, 890, 979, 980, 985, 1078, 1246, 1379, 1540, 1780, 1958, 1970, 2156, 2167, 2492, 2695, 2758, 3115, 3916, 3940, 4334, 4361, 4895, 5390, 5516, 6230, 6853, 6895, 8668, 8722, 9653, 9790, 10780, 10835, 12460, 13706, 13790, 15169, 17444, 17533, 19306, 19580, 21670, 21805, 27412, 27580, 30338, 34265, 35066, 38612, 43340, 43610, 47971, 48265, 60676, 68530, 70132, 75845, 87220, 87665, 95942, 96530, 106183, 122731, 137060, 151690, 175330, 191884, 192863, 193060, 212366, 239855, 245462, 303380, 350660, 385726, 424732, 479710, 490924, 530915, 613655, 771452, 859117, 959420, 964315, 1061830, 1227310, 1350041, 1718234, 1928630, 2123660, 2454620, 2700082, 3436468, 3857260, 4295585, 5400164, 6750205, 8591170, 9450287, 13500410, 17182340, 18900574, 27000820, 37801148, 47251435, 94502870, 189005740]

約数ペア:

[(1, 189005740), (2, 94502870), (4, 47251435), (5, 37801148), (7, 27000820), (10, 18900574), (11, 17182340), (14, 13500410), (20, 9450287), (22, 8591170), (28, 6750205), (35, 5400164), (44, 4295585), (49, 3857260), (55, 3436468), (70, 2700082), (77, 2454620), (89, 2123660), (98, 1928630), (110, 1718234), (140, 1350041), (154, 1227310), (178, 1061830), (196, 964315), (197, 959420), (220, 859117), (245, 771452), (308, 613655), (356, 530915), (385, 490924), (394, 479710), (445, 424732), (490, 385726), (539, 350660), (623, 303380), (770, 245462), (788, 239855), (890, 212366), (979, 193060), (980, 192863), (985, 191884), (1078, 175330), (1246, 151690), (1379, 137060), (1540, 122731), (1780, 106183), (1958, 96530), (1970, 95942), (2156, 87665), (2167, 87220), (2492, 75845), (2695, 70132), (2758, 68530), (3115, 60676), (3916, 48265), (3940, 47971), (4334, 43610), (4361, 43340), (4895, 38612), (5390, 35066), (5516, 34265), (6230, 30338), (6853, 27580), (6895, 27412), (8668, 21805), (8722, 21670), (9653, 19580), (9790, 19306), (10780, 17533), (10835, 17444), (12460, 15169), (13706, 13790)]