4977980

素因数分解:

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

素因数の和:115

約数の個数: 72

約数和(自身を含む): 12678624

約数和(自身を除く): 7700644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 62, 70, 74, 124, 140, 148, 155, 185, 217, 259, 310, 370, 434, 518, 620, 740, 868, 961, 1036, 1085, 1147, 1295, 1922, 2170, 2294, 2590, 3844, 4340, 4588, 4805, 5180, 5735, 6727, 8029, 9610, 11470, 13454, 16058, 19220, 22940, 26908, 32116, 33635, 35557, 40145, 67270, 71114, 80290, 134540, 142228, 160580, 177785, 248899, 355570, 497798, 711140, 995596, 1244495, 2488990, 4977980]

約数ペア:

[(1, 4977980), (2, 2488990), (4, 1244495), (5, 995596), (7, 711140), (10, 497798), (14, 355570), (20, 248899), (28, 177785), (31, 160580), (35, 142228), (37, 134540), (62, 80290), (70, 71114), (74, 67270), (124, 40145), (140, 35557), (148, 33635), (155, 32116), (185, 26908), (217, 22940), (259, 19220), (310, 16058), (370, 13454), (434, 11470), (518, 9610), (620, 8029), (740, 6727), (868, 5735), (961, 5180), (1036, 4805), (1085, 4588), (1147, 4340), (1295, 3844), (1922, 2590), (2170, 2294)]