31427180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 68753664

約数和(自身を除く): 37326484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 293, 310, 346, 586, 620, 692, 865, 1172, 1465, 1730, 2930, 3460, 5363, 5860, 9083, 10726, 18166, 21452, 26815, 36332, 45415, 50689, 53630, 90830, 101378, 107260, 181660, 202756, 253445, 506890, 1013780, 1571359, 3142718, 6285436, 7856795, 15713590, 31427180]

約数ペア:

[(1, 31427180), (2, 15713590), (4, 7856795), (5, 6285436), (10, 3142718), (20, 1571359), (31, 1013780), (62, 506890), (124, 253445), (155, 202756), (173, 181660), (293, 107260), (310, 101378), (346, 90830), (586, 53630), (620, 50689), (692, 45415), (865, 36332), (1172, 26815), (1465, 21452), (1730, 18166), (2930, 10726), (3460, 9083), (5363, 5860)]