397933540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{4523}}^1$

素因数の和:4668

約数の個数: 48

約数和(自身を含む): 861876288

約数和(自身を除く): 463942748

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 212, 265, 332, 415, 530, 830, 1060, 1660, 4399, 4523, 8798, 9046, 17596, 18092, 21995, 22615, 43990, 45230, 87980, 90460, 239719, 375409, 479438, 750818, 958876, 1198595, 1501636, 1877045, 2397190, 3754090, 4794380, 7508180, 19896677, 39793354, 79586708, 99483385, 198966770, 397933540]

約数ペア:

[(1, 397933540), (2, 198966770), (4, 99483385), (5, 79586708), (10, 39793354), (20, 19896677), (53, 7508180), (83, 4794380), (106, 3754090), (166, 2397190), (212, 1877045), (265, 1501636), (332, 1198595), (415, 958876), (530, 750818), (830, 479438), (1060, 375409), (1660, 239719), (4399, 90460), (4523, 87980), (8798, 45230), (9046, 43990), (17596, 22615), (18092, 21995)]