204234820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 471905280

約数和(自身を除く): 267670460

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 37, 58, 62, 74, 116, 124, 145, 148, 155, 185, 290, 307, 310, 370, 580, 614, 620, 740, 899, 1073, 1147, 1228, 1535, 1798, 2146, 2294, 3070, 3596, 4292, 4495, 4588, 5365, 5735, 6140, 8903, 8990, 9517, 10730, 11359, 11470, 17806, 17980, 19034, 21460, 22718, 22940, 33263, 35612, 38068, 44515, 45436, 47585, 56795, 66526, 89030, 95170, 113590, 133052, 166315, 178060, 190340, 227180, 275993, 329411, 332630, 352129, 551986, 658822, 665260, 704258, 1103972, 1317644, 1379965, 1408516, 1647055, 1760645, 2759930, 3294110, 3521290, 5519860, 6588220, 7042580, 10211741, 20423482, 40846964, 51058705, 102117410, 204234820]

約数ペア:

[(1, 204234820), (2, 102117410), (4, 51058705), (5, 40846964), (10, 20423482), (20, 10211741), (29, 7042580), (31, 6588220), (37, 5519860), (58, 3521290), (62, 3294110), (74, 2759930), (116, 1760645), (124, 1647055), (145, 1408516), (148, 1379965), (155, 1317644), (185, 1103972), (290, 704258), (307, 665260), (310, 658822), (370, 551986), (580, 352129), (614, 332630), (620, 329411), (740, 275993), (899, 227180), (1073, 190340), (1147, 178060), (1228, 166315), (1535, 133052), (1798, 113590), (2146, 95170), (2294, 89030), (3070, 66526), (3596, 56795), (4292, 47585), (4495, 45436), (4588, 44515), (5365, 38068), (5735, 35612), (6140, 33263), (8903, 22940), (8990, 22718), (9517, 21460), (10730, 19034), (11359, 17980), (11470, 17806)]