494465140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{10993}}^1$

素因数の和:11188

約数の個数: 48

約数和(自身を含む): 1124818128

約数和(自身を除く): 630352988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1730, 2249, 3460, 4498, 8996, 10993, 11245, 21986, 22490, 43972, 44980, 54965, 109930, 142909, 219860, 285818, 571636, 714545, 1429090, 1901789, 2858180, 3803578, 7607156, 9508945, 19017890, 24723257, 38035780, 49446514, 98893028, 123616285, 247232570, 494465140]

約数ペア:

[(1, 494465140), (2, 247232570), (4, 123616285), (5, 98893028), (10, 49446514), (13, 38035780), (20, 24723257), (26, 19017890), (52, 9508945), (65, 7607156), (130, 3803578), (173, 2858180), (260, 1901789), (346, 1429090), (692, 714545), (865, 571636), (1730, 285818), (2249, 219860), (3460, 142909), (4498, 109930), (8996, 54965), (10993, 44980), (11245, 43972), (21986, 22490)]