878672990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4639}}^1$

素因数の和:4737

約数の個数: 64

約数和(自身を含む): 1796014080

約数和(自身を除く): 917341090

約数列:

[1, 2, 5, 10, 13, 26, 31, 47, 62, 65, 94, 130, 155, 235, 310, 403, 470, 611, 806, 1222, 1457, 2015, 2914, 3055, 4030, 4639, 6110, 7285, 9278, 14570, 18941, 23195, 37882, 46390, 60307, 94705, 120614, 143809, 189410, 218033, 287618, 301535, 436066, 603070, 719045, 1090165, 1438090, 1869517, 2180330, 2834429, 3739034, 5668858, 6759023, 9347585, 13518046, 14172145, 18695170, 28344290, 33795115, 67590230, 87867299, 175734598, 439336495, 878672990]

約数ペア:

[(1, 878672990), (2, 439336495), (5, 175734598), (10, 87867299), (13, 67590230), (26, 33795115), (31, 28344290), (47, 18695170), (62, 14172145), (65, 13518046), (94, 9347585), (130, 6759023), (155, 5668858), (235, 3739034), (310, 2834429), (403, 2180330), (470, 1869517), (611, 1438090), (806, 1090165), (1222, 719045), (1457, 603070), (2015, 436066), (2914, 301535), (3055, 287618), (4030, 218033), (4639, 189410), (6110, 143809), (7285, 120614), (9278, 94705), (14570, 60307), (18941, 46390), (23195, 37882)]