1005940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 2349648

約数和(自身を除く): 1343708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 73, 106, 130, 146, 212, 260, 265, 292, 365, 530, 689, 730, 949, 1060, 1378, 1460, 1898, 2756, 3445, 3796, 3869, 4745, 6890, 7738, 9490, 13780, 15476, 18980, 19345, 38690, 50297, 77380, 100594, 201188, 251485, 502970, 1005940]

約数ペア:

[(1, 1005940), (2, 502970), (4, 251485), (5, 201188), (10, 100594), (13, 77380), (20, 50297), (26, 38690), (52, 19345), (53, 18980), (65, 15476), (73, 13780), (106, 9490), (130, 7738), (146, 6890), (212, 4745), (260, 3869), (265, 3796), (292, 3445), (365, 2756), (530, 1898), (689, 1460), (730, 1378), (949, 1060)]