6438920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{557}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 15417540

約数和(自身を除く): 8978620

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 557, 578, 680, 1114, 1156, 1445, 2228, 2312, 2785, 2890, 4456, 5570, 5780, 9469, 11140, 11560, 18938, 22280, 37876, 47345, 75752, 94690, 160973, 189380, 321946, 378760, 643892, 804865, 1287784, 1609730, 3219460, 6438920]

約数ペア:

[(1, 6438920), (2, 3219460), (4, 1609730), (5, 1287784), (8, 804865), (10, 643892), (17, 378760), (20, 321946), (34, 189380), (40, 160973), (68, 94690), (85, 75752), (136, 47345), (170, 37876), (289, 22280), (340, 18938), (557, 11560), (578, 11140), (680, 9469), (1114, 5780), (1156, 5570), (1445, 4456), (2228, 2890), (2312, 2785)]