201551660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4327}}^1$

素因数の和:4490

約数の個数: 48

約数和(自身を含む): 451531584

約数和(自身を除く): 249979924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 548, 685, 1370, 2329, 2740, 4327, 4658, 8654, 9316, 11645, 17308, 21635, 23290, 43270, 46580, 73559, 86540, 147118, 294236, 367795, 592799, 735590, 1185598, 1471180, 2371196, 2963995, 5927990, 10077583, 11855980, 20155166, 40310332, 50387915, 100775830, 201551660]

約数ペア:

[(1, 201551660), (2, 100775830), (4, 50387915), (5, 40310332), (10, 20155166), (17, 11855980), (20, 10077583), (34, 5927990), (68, 2963995), (85, 2371196), (137, 1471180), (170, 1185598), (274, 735590), (340, 592799), (548, 367795), (685, 294236), (1370, 147118), (2329, 86540), (2740, 73559), (4327, 46580), (4658, 43270), (8654, 23290), (9316, 21635), (11645, 17308)]