17639020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 26602100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 439, 490, 574, 820, 878, 980, 1148, 1435, 1756, 2009, 2195, 2870, 3073, 4018, 4390, 5740, 6146, 8036, 8780, 10045, 12292, 15365, 17999, 20090, 21511, 30730, 35998, 40180, 43022, 61460, 71996, 86044, 89995, 107555, 125993, 179990, 215110, 251986, 359980, 430220, 503972, 629965, 881951, 1259930, 1763902, 2519860, 3527804, 4409755, 8819510, 17639020]

約数ペア:

[(1, 17639020), (2, 8819510), (4, 4409755), (5, 3527804), (7, 2519860), (10, 1763902), (14, 1259930), (20, 881951), (28, 629965), (35, 503972), (41, 430220), (49, 359980), (70, 251986), (82, 215110), (98, 179990), (140, 125993), (164, 107555), (196, 89995), (205, 86044), (245, 71996), (287, 61460), (410, 43022), (439, 40180), (490, 35998), (574, 30730), (820, 21511), (878, 20090), (980, 17999), (1148, 15365), (1435, 12292), (1756, 10045), (2009, 8780), (2195, 8036), (2870, 6146), (3073, 5740), (4018, 4390)]