27988460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 62669376

約数和(自身を除く): 34680916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 313, 340, 526, 626, 1052, 1252, 1315, 1565, 2630, 3130, 4471, 5260, 5321, 6260, 8942, 10642, 17884, 21284, 22355, 26605, 44710, 53210, 82319, 89420, 106420, 164638, 329276, 411595, 823190, 1399423, 1646380, 2798846, 5597692, 6997115, 13994230, 27988460]

約数ペア:

[(1, 27988460), (2, 13994230), (4, 6997115), (5, 5597692), (10, 2798846), (17, 1646380), (20, 1399423), (34, 823190), (68, 411595), (85, 329276), (170, 164638), (263, 106420), (313, 89420), (340, 82319), (526, 53210), (626, 44710), (1052, 26605), (1252, 22355), (1315, 21284), (1565, 17884), (2630, 10642), (3130, 8942), (4471, 6260), (5260, 5321)]