291240760

素因数分解:

$2^3\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{5303}}^1$

素因数の和:6687

約数の個数: 32

約数和(自身を含む): 655892640

約数和(自身を除く): 364651880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1373, 2746, 5303, 5492, 6865, 10606, 10984, 13730, 21212, 26515, 27460, 42424, 53030, 54920, 106060, 212120, 7281019, 14562038, 29124076, 36405095, 58248152, 72810190, 145620380, 291240760]

約数ペア:

[(1, 291240760), (2, 145620380), (4, 72810190), (5, 58248152), (8, 36405095), (10, 29124076), (20, 14562038), (40, 7281019), (1373, 212120), (2746, 106060), (5303, 54920), (5492, 53030), (6865, 42424), (10606, 27460), (10984, 26515), (13730, 21212)]