255450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 687456

約数和(自身を除く): 432006

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 131, 150, 195, 262, 325, 390, 393, 650, 655, 786, 975, 1310, 1703, 1950, 1965, 3275, 3406, 3930, 5109, 6550, 8515, 9825, 10218, 17030, 19650, 25545, 42575, 51090, 85150, 127725, 255450]

約数ペア:

[(1, 255450), (2, 127725), (3, 85150), (5, 51090), (6, 42575), (10, 25545), (13, 19650), (15, 17030), (25, 10218), (26, 9825), (30, 8515), (39, 6550), (50, 5109), (65, 3930), (75, 3406), (78, 3275), (130, 1965), (131, 1950), (150, 1703), (195, 1310), (262, 975), (325, 786), (390, 655), (393, 650)]