4427720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 11275200

約数和(自身を除く): 6847480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 347, 440, 580, 638, 694, 1160, 1276, 1388, 1595, 1735, 2552, 2776, 3190, 3470, 3817, 6380, 6940, 7634, 10063, 12760, 13880, 15268, 19085, 20126, 30536, 38170, 40252, 50315, 76340, 80504, 100630, 110693, 152680, 201260, 221386, 402520, 442772, 553465, 885544, 1106930, 2213860, 4427720]

約数ペア:

[(1, 4427720), (2, 2213860), (4, 1106930), (5, 885544), (8, 553465), (10, 442772), (11, 402520), (20, 221386), (22, 201260), (29, 152680), (40, 110693), (44, 100630), (55, 80504), (58, 76340), (88, 50315), (110, 40252), (116, 38170), (145, 30536), (220, 20126), (232, 19085), (290, 15268), (319, 13880), (347, 12760), (440, 10063), (580, 7634), (638, 6940), (694, 6380), (1160, 3817), (1276, 3470), (1388, 3190), (1595, 2776), (1735, 2552)]