202007740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 479001600

約数和(自身を除く): 276993860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 79, 110, 118, 158, 197, 220, 236, 295, 316, 394, 395, 590, 649, 788, 790, 869, 985, 1180, 1298, 1580, 1738, 1970, 2167, 2596, 3245, 3476, 3940, 4334, 4345, 4661, 6490, 8668, 8690, 9322, 10835, 11623, 12980, 15563, 17380, 18644, 21670, 23246, 23305, 31126, 43340, 46492, 46610, 51271, 58115, 62252, 77815, 93220, 102542, 116230, 127853, 155630, 171193, 205084, 232460, 255706, 256355, 311260, 342386, 511412, 512710, 639265, 684772, 855965, 918217, 1025420, 1278530, 1711930, 1836434, 2557060, 3423860, 3672868, 4591085, 9182170, 10100387, 18364340, 20200774, 40401548, 50501935, 101003870, 202007740]

約数ペア:

[(1, 202007740), (2, 101003870), (4, 50501935), (5, 40401548), (10, 20200774), (11, 18364340), (20, 10100387), (22, 9182170), (44, 4591085), (55, 3672868), (59, 3423860), (79, 2557060), (110, 1836434), (118, 1711930), (158, 1278530), (197, 1025420), (220, 918217), (236, 855965), (295, 684772), (316, 639265), (394, 512710), (395, 511412), (590, 342386), (649, 311260), (788, 256355), (790, 255706), (869, 232460), (985, 205084), (1180, 171193), (1298, 155630), (1580, 127853), (1738, 116230), (1970, 102542), (2167, 93220), (2596, 77815), (3245, 62252), (3476, 58115), (3940, 51271), (4334, 46610), (4345, 46492), (4661, 43340), (6490, 31126), (8668, 23305), (8690, 23246), (9322, 21670), (10835, 18644), (11623, 17380), (12980, 15563)]