142793840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:599

約数の個数: 120

約数和(自身を含む): 392274000

約数和(自身を除く): 249480160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 365, 392, 490, 499, 511, 560, 584, 730, 784, 980, 998, 1022, 1168, 1460, 1960, 1996, 2044, 2495, 2555, 2920, 3493, 3577, 3920, 3992, 4088, 4990, 5110, 5840, 6986, 7154, 7984, 8176, 9980, 10220, 13972, 14308, 17465, 17885, 19960, 20440, 24451, 27944, 28616, 34930, 35770, 36427, 39920, 40880, 48902, 55888, 57232, 69860, 71540, 72854, 97804, 122255, 139720, 143080, 145708, 182135, 195608, 244510, 254989, 279440, 286160, 291416, 364270, 391216, 489020, 509978, 582832, 728540, 978040, 1019956, 1274945, 1457080, 1784923, 1956080, 2039912, 2549890, 2914160, 3569846, 4079824, 5099780, 7139692, 8924615, 10199560, 14279384, 17849230, 20399120, 28558768, 35698460, 71396920, 142793840]

約数ペア:

[(1, 142793840), (2, 71396920), (4, 35698460), (5, 28558768), (7, 20399120), (8, 17849230), (10, 14279384), (14, 10199560), (16, 8924615), (20, 7139692), (28, 5099780), (35, 4079824), (40, 3569846), (49, 2914160), (56, 2549890), (70, 2039912), (73, 1956080), (80, 1784923), (98, 1457080), (112, 1274945), (140, 1019956), (146, 978040), (196, 728540), (245, 582832), (280, 509978), (292, 489020), (365, 391216), (392, 364270), (490, 291416), (499, 286160), (511, 279440), (560, 254989), (584, 244510), (730, 195608), (784, 182135), (980, 145708), (998, 143080), (1022, 139720), (1168, 122255), (1460, 97804), (1960, 72854), (1996, 71540), (2044, 69860), (2495, 57232), (2555, 55888), (2920, 48902), (3493, 40880), (3577, 39920), (3920, 36427), (3992, 35770), (4088, 34930), (4990, 28616), (5110, 27944), (5840, 24451), (6986, 20440), (7154, 19960), (7984, 17885), (8176, 17465), (9980, 14308), (10220, 13972)]