553669880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{7213}}^1$

素因数の和:7344

約数の個数: 64

約数和(自身を含む): 1324490400

約数和(自身を除く): 770820520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 1010, 1919, 2020, 3838, 4040, 7213, 7676, 9595, 14426, 15352, 19190, 28852, 36065, 38380, 57704, 72130, 76760, 137047, 144260, 274094, 288520, 548188, 685235, 728513, 1096376, 1370470, 1457026, 2740940, 2914052, 3642565, 5481880, 5828104, 7285130, 13841747, 14570260, 27683494, 29140520, 55366988, 69208735, 110733976, 138417470, 276834940, 553669880]

約数ペア:

[(1, 553669880), (2, 276834940), (4, 138417470), (5, 110733976), (8, 69208735), (10, 55366988), (19, 29140520), (20, 27683494), (38, 14570260), (40, 13841747), (76, 7285130), (95, 5828104), (101, 5481880), (152, 3642565), (190, 2914052), (202, 2740940), (380, 1457026), (404, 1370470), (505, 1096376), (760, 728513), (808, 685235), (1010, 548188), (1919, 288520), (2020, 274094), (3838, 144260), (4040, 137047), (7213, 76760), (7676, 72130), (9595, 57704), (14426, 38380), (15352, 36065), (19190, 28852)]