201705220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{1237}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 439262208

約数和(自身を除く): 237556988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 263, 310, 526, 620, 1052, 1237, 1315, 2474, 2630, 4948, 5260, 6185, 8153, 12370, 16306, 24740, 32612, 38347, 40765, 76694, 81530, 153388, 163060, 191735, 325331, 383470, 650662, 766940, 1301324, 1626655, 3253310, 6506620, 10085261, 20170522, 40341044, 50426305, 100852610, 201705220]

約数ペア:

[(1, 201705220), (2, 100852610), (4, 50426305), (5, 40341044), (10, 20170522), (20, 10085261), (31, 6506620), (62, 3253310), (124, 1626655), (155, 1301324), (263, 766940), (310, 650662), (526, 383470), (620, 325331), (1052, 191735), (1237, 163060), (1315, 153388), (2474, 81530), (2630, 76694), (4948, 40765), (5260, 38347), (6185, 32612), (8153, 24740), (12370, 16306)]