123255580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{727}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 303252768

約数和(自身を除く): 179997188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 346, 490, 692, 727, 865, 980, 1211, 1454, 1730, 2422, 2908, 3460, 3635, 4844, 5089, 6055, 7270, 8477, 10178, 12110, 14540, 16954, 20356, 24220, 25445, 33908, 35623, 42385, 50890, 71246, 84770, 101780, 125771, 142492, 169540, 178115, 251542, 356230, 503084, 628855, 712460, 880397, 1257710, 1760794, 2515420, 3521588, 4401985, 6162779, 8803970, 12325558, 17607940, 24651116, 30813895, 61627790, 123255580]

約数ペア:

[(1, 123255580), (2, 61627790), (4, 30813895), (5, 24651116), (7, 17607940), (10, 12325558), (14, 8803970), (20, 6162779), (28, 4401985), (35, 3521588), (49, 2515420), (70, 1760794), (98, 1257710), (140, 880397), (173, 712460), (196, 628855), (245, 503084), (346, 356230), (490, 251542), (692, 178115), (727, 169540), (865, 142492), (980, 125771), (1211, 101780), (1454, 84770), (1730, 71246), (2422, 50890), (2908, 42385), (3460, 35623), (3635, 33908), (4844, 25445), (5089, 24220), (6055, 20356), (7270, 16954), (8477, 14540), (10178, 12110)]