2488990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 5433696

約数和(自身を除く): 2944706

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 37, 62, 70, 74, 155, 185, 217, 259, 310, 370, 434, 518, 961, 1085, 1147, 1295, 1922, 2170, 2294, 2590, 4805, 5735, 6727, 8029, 9610, 11470, 13454, 16058, 33635, 35557, 40145, 67270, 71114, 80290, 177785, 248899, 355570, 497798, 1244495, 2488990]

約数ペア:

[(1, 2488990), (2, 1244495), (5, 497798), (7, 355570), (10, 248899), (14, 177785), (31, 80290), (35, 71114), (37, 67270), (62, 40145), (70, 35557), (74, 33635), (155, 16058), (185, 13454), (217, 11470), (259, 9610), (310, 8029), (370, 6727), (434, 5735), (518, 4805), (961, 2590), (1085, 2294), (1147, 2170), (1295, 1922)]