17490340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 42223104

約数和(自身を除く): 24732764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 461, 542, 922, 1084, 1355, 1844, 1897, 2305, 2710, 3227, 3794, 4610, 5420, 6454, 7588, 9220, 9485, 12908, 16135, 18970, 32270, 37940, 64540, 124931, 249862, 499724, 624655, 874517, 1249310, 1749034, 2498620, 3498068, 4372585, 8745170, 17490340]

約数ペア:

[(1, 17490340), (2, 8745170), (4, 4372585), (5, 3498068), (7, 2498620), (10, 1749034), (14, 1249310), (20, 874517), (28, 624655), (35, 499724), (70, 249862), (140, 124931), (271, 64540), (461, 37940), (542, 32270), (922, 18970), (1084, 16135), (1355, 12908), (1844, 9485), (1897, 9220), (2305, 7588), (2710, 6454), (3227, 5420), (3794, 4610)]