86940040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 230947200

約数和(自身を除く): 144007160

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 59, 68, 85, 88, 110, 118, 136, 170, 187, 197, 220, 236, 295, 340, 374, 394, 440, 472, 590, 649, 680, 748, 788, 935, 985, 1003, 1180, 1298, 1496, 1576, 1870, 1970, 2006, 2167, 2360, 2596, 3245, 3349, 3740, 3940, 4012, 4334, 5015, 5192, 6490, 6698, 7480, 7880, 8024, 8668, 10030, 10835, 11033, 11623, 12980, 13396, 16745, 17336, 20060, 21670, 22066, 23246, 25960, 26792, 33490, 36839, 40120, 43340, 44132, 46492, 55165, 58115, 66980, 73678, 86680, 88264, 92984, 110330, 116230, 127853, 133960, 147356, 184195, 197591, 220660, 232460, 255706, 294712, 368390, 395182, 441320, 464920, 511412, 639265, 736780, 790364, 987955, 1022824, 1278530, 1473560, 1580728, 1975910, 2173501, 2557060, 3951820, 4347002, 5114120, 7903640, 8694004, 10867505, 17388008, 21735010, 43470020, 86940040]

約数ペア:

[(1, 86940040), (2, 43470020), (4, 21735010), (5, 17388008), (8, 10867505), (10, 8694004), (11, 7903640), (17, 5114120), (20, 4347002), (22, 3951820), (34, 2557060), (40, 2173501), (44, 1975910), (55, 1580728), (59, 1473560), (68, 1278530), (85, 1022824), (88, 987955), (110, 790364), (118, 736780), (136, 639265), (170, 511412), (187, 464920), (197, 441320), (220, 395182), (236, 368390), (295, 294712), (340, 255706), (374, 232460), (394, 220660), (440, 197591), (472, 184195), (590, 147356), (649, 133960), (680, 127853), (748, 116230), (788, 110330), (935, 92984), (985, 88264), (1003, 86680), (1180, 73678), (1298, 66980), (1496, 58115), (1576, 55165), (1870, 46492), (1970, 44132), (2006, 43340), (2167, 40120), (2360, 36839), (2596, 33490), (3245, 26792), (3349, 25960), (3740, 23246), (3940, 22066), (4012, 21670), (4334, 20060), (5015, 17336), (5192, 16745), (6490, 13396), (6698, 12980), (7480, 11623), (7880, 11033), (8024, 10835), (8668, 10030)]