253513860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{248543}}^1$

素因数の和:248572

約数の個数: 48

約数和(自身を含む): 751597056

約数和(自身を除く): 498083196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 248543, 497086, 745629, 994172, 1242715, 1491258, 2485430, 2982516, 3728145, 4225231, 4970860, 7456290, 8450462, 12675693, 14912580, 16900924, 21126155, 25351386, 42252310, 50702772, 63378465, 84504620, 126756930, 253513860]

約数ペア:

[(1, 253513860), (2, 126756930), (3, 84504620), (4, 63378465), (5, 50702772), (6, 42252310), (10, 25351386), (12, 21126155), (15, 16900924), (17, 14912580), (20, 12675693), (30, 8450462), (34, 7456290), (51, 4970860), (60, 4225231), (68, 3728145), (85, 2982516), (102, 2485430), (170, 1491258), (204, 1242715), (255, 994172), (340, 745629), (510, 497086), (1020, 248543)]